Esercizi con addizioni e sottrazioni di frazioni.

Esercizi con addizioni e sottrazioni di frazioni. Base. Completi di soluzione guidata.

Addition and Subtraction of Fractions

1. 8

3 − 7 3

14 9 + 7

9 2 + 1

4

2. 1

3 + 2 1

3 + 2 3

7 5 − 2

5

3. 3

4 − 1 4

3 4 − 1

2 1 − 1

5

4. 6

5 − 1 2 − 7

6

7 3 − 1

2

5. 1

3 − 1 4

2 3 − 2

5

3 2 + 1

7

6. 1 + 3

5

15 25 + 7

10

9 12 − 1

7

7. 9

6 − 5 6

7 5 − 2

3 3 − 5

6

8. 2

4 − 7 49

3 5 + 1

7

8 12 − 1

5

9. 20

7 − 8 7 + 2

7

5 3 1 2 11 

2 1 6 5 4 17 

10.

2 5 2 7 2 1 2

3   

4 1 4 3 4

7    

4 1 1 4 3 3 2

11.

4 1 5 4 2

3   1

2 1 10

9   

14 3 7 6 4 5

12.

3 1 7 3 21

2   

21 4 14

3 28

5   

4 1 5 3 2 5

13.

3   

5 1 18 15 3

10   

5 3 15 10 6 13

14.

18 7 9 4 4 1 1 3

2   

21 3 10

5 7 6

15.

14 5 35

4 7

3   

10 1 50 49 5 7

16.

5 3 2 1 3

4   

5 3 15

2 3 4

17. 5

12 + 3 4 − 1

3 = 5

4 + 3 12 + 1

3 =

18. 5

18 + 1 3 − 1

6 = 1 + 1

4 − 1 2 =

19. 5

3 − 1 3 − 1

6 = 2

3 + 11 36 − 5

12 =

20. 1

3 + 2 − 1

5 = 17

3 − 1

2 − 1 =

21. 1

2 − 2 7 − 1

5 = 3

2 + 1 − 1 3 =

22. 5

4 − 1 2 − 1

3 = 1

2 − 1 5 + 1

3 =

23. 3

4 + 1 5 − 1

2 = 2

17 + 3 34 − 1

17 =

24. 13

39 − 1 3 + 2

3 = 1

2 + 3 28 − 3

7 =

Soluzioni

3 5 15 3

7 8 3 7 3

8     14

9 7 9

14 7 9

21 9

7 3

7

   3

  

 

4 9 4

1 8 4

21   

1

3 + 2 = 1 3 + 6

3 = 7 3

1 3 + 2

3 = 1 + 2 3 = 3

3 = 1 7

5 − 2

5 = 7 − 2 5 = 5

5 = 1

3 4 − 1

4 = 3 − 1 4 = 2

4 = 1 2

3 4 − 1

2 = 3 − 2 4 = 1

4 1 − 1

5 = 5 − 1 5 = 4

5

6

5 − 1 = 6 5 − 5

5 = 1

5 2 − 7

6 = 12 6 − 7

6 = 5 6

7 3 − 1

2 = 14 − 3 6 = 11

6

1 3 − 1

4 = 4 − 3 12 = 1

12 2

3 − 2

5 = 10 − 6 15 = 4

15 3

2 + 1

7 = 21 + 2 14 = 23

14

1 3 5

5 3 5

8

   5



 

      

15

25

7 10

3 5

7 10

6 7 10

13 10

3

5

28 17 84 51 84

12 63 7 1 12

9     

9 6

5 6

9 5 6

4 6

2 3

2

   3

 

 

7 5

2 3

21 10 15

11

   15



6 13 6

5 18 6

35   

14 5 28 10 28

4 14 9 4

7 4 2

7

1   

 



 

3 5 + 1

7 = 21 + 5 35 = 26

35 8

12 − 1

5 = 40 − 12 60 = 28

60 = 14 30 = 7

15

20 7 − 8

7 + 2

7 = 20 − 8 + 2

7 = 14

7 = 2

12 17 12

5 4 6 12 12

5 3 1 2

11      





 2

1 6 5 4 17

12 47 12

6 10 51  

2 8 16 2

5 7 1 3 2 5 2 7 2 1 2

3        

4 9 4

1 3 7 4 1 4 3 4

7     

12 1 12

2 12

3 12 9 8 4 1 1 4 3 3

2        

4 1 5 4 2 3 

20 41 20

5 16 30  







 1 2 1 10

9

5 2 10

4 10

10 5

9   





 14 3 7 6 4 5

28 5 28

6 24 35  





 3

1 7 3 21

2

21 4 21

7 9 2  





 21 4 14

3 28

5

84 17 84

16 18 15  

20 57 20

5 12 50 4 1 5 3 2

5     

24 125 24

8 96 12 9 3 4 1 2 1 8

3       

10 23 30 69 30

6 25 100 5 1 6 5 3 10 5 1 18 15 3

10         

10 9 30 27 30

19 20 65 5 3 3 2 6 13 5 3 15 10 6

13         

4 39 36

14 16 9 36 24 18

7 9 4 4 1 1 3

2         

14 3 14

2 7 12 7 1 2 1 7 6 21

3 10

5 7

6        

10 9 70 63 70

25 8 30 14

5 35

4 7

3      

25 8 50 16 50

5 49 70 10

1 50 49 5

7      

30 7 30

18 15 40 5 3 2 1 3

4     

5 3 15

9 30 18 30

18 4 40 5 3 15

2 3

4       

5 12 + 3

4 − 1

3 = 5 + 9 − 4 12 = 10

12 = 5 6 5

4 + 3 12 + 1

3 = 15 + 3 − 4 12 = 14

12 = 7 6

5 18 + 1

3 − 1

6 = 5 + 6 − 3 18 = 8

18 = 4 9 1 + 1

4 − 1

2 = 4 + 1 − 2

4 = 3

4

5 3 − 1

3 − 1

6 = 10 − 2 − 1

6 = 7

6 2

3 + 11 36 − 5

12 = 24 + 11 − 15

36 = 20

36 = 10 18 = 5

9

1

3 + 2 − 1

5 = 5 + 30 − 3 15 = 32

15 17

3 − 1

2 − 1 = 34 − 3 − 6

6 = 25

6

1 2 − 2

7 − 1

5 = 35 − 20 − 14

70 = 1

70 3

2 + 1 − 1

3 = 9 + 6 − 2 6 = 13

6

5 4 − 1

2 − 1

3 = 15 − 6 − 4

12 = 5

12 1

2 − 1 5 + 1

3 = 15 − 6 + 10

30 = 19

30

3 4 + 1

5 − 1

2 = 15 + 4 − 10

20 = 9

20 2

17 + 3 34 − 1

17 = 4 + 3 − 2 34 = 5

34

13 39 − 1

3 + 2 3 = 13

39

− 1 3 + 2

3 = 2 3 1

2 + 3 28 − 3

7 = 14 + 3 − 12

28 = 5

28

Keywords

Matematica, Aritmetica, Frazioni, Espressioni Q, addizione, sottrazione, moltiplicazione, divisione, esercizi con soluzioni

Math, Arithmetic, Fraction expressions, Fraction, Expression, Addition, Subtraction, Multiplication, Division, Fraction expressions solved

Matemática, Aritmética, Fracción, Expresiones, Resta, Sustracción, Suma, Adición, Multiplicación, División

Mathématique, Arithmétique, Fraction, Problèmes avec fractions, Addition, Soustraction, Multiplication, Division

Mathematik, Arithmetik, Bruchrechnung, Bruch, Subtraktion, Addition, Multiplikation, Division

Arabic: كَسْر

Chinese (Simplified): 分数 Chinese (Traditional): 分數

Czech: zlomek Danish: brøkdel

Dutch: deel, breuk Estonian: murd(arv)

Finnish: murtoluku French: fraction

Greek: κλάσμα

Hungarian: hányad, tört(rész) Icelandic: brot

Indonesian: pecahan Japanese: 分数

Korean: 분수 Lithuanian: trupmena Norwegian: brøk(del)

Polish: ułamek Portuguese (Brazil): fração Portuguese (Portugal): fracção

Romanian: fracţie Russian: дробь Slovak: zlomok Slovenian: ulomek

Swedish: del

Turkish: kesir