Website Statistics 6 Réduis au même dénominateur puis calcule Svp aidez moi c pour demain

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farrandsshwana

B.3×2/5×2

6/10+11/10

17/10

C.8/9-1×3/3×3

8/9-3/9

5/9

F.7/5+1

7/5+1×5/1×5

7/5+5/5

12/5

G.13/12+19/48

13×4/12×4+19/48

52/48+19/48

71/48

hirondelle52

Bonjour;

b)

3/5 +11/10

= 3/5 *2/2 +11/10

= 6/10 +11/10

=16/10

c)

8/9 -/3

= 8/9 -1/3*3/3

= 8/9 -3/9

= 7/9

F)

7/5 +1

= 7/5 +1/1*5/5

= 7/5 -5/5

= 2/5

g)

13/12 +19/48

= 13/12 *4/4 +19/48

= 52/48+19/48

= 71/48

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