Question

calcule
a- 5/2+3/4
b- 3/2+7/3
c- 6/8+3/2
d- 9/3+1/4
e- 12/6+3/8
f- 4/3+1/6
g- 7/4+8/9
h- 10/5+3/6
i- 2/3+3/4+2/6​

Answer 1

OI.....

a) 5/2 + 3/4  ⇒o mmc = 4

10 + 3/4

13/4

b) 3/2 + 7/3 ⇒mmc=6

9 + 14/6

23/6

c) 6/8 + 3/2

3/4 + 3/2⇒mmc = 4

3 + 6/4

9/4

d) 9/3 + 1/4

3 + 1/4⇒mmc = 4

12 + 1/4

13/4

e) 12/6 + 3/8

2 + 3/8⇒mmc = 8

16 + 3/8

19/8

f) 4/3 + 1/6 ⇒mmc = 6

8 + 1/6

9/6 ÷ 3

3/2

g) 7/4 + 8/9 ⇒mmc = 36

63 + 32/36

95/36

h) 10/5 + 3/6

2 + 1/2⇒mmc = 2

4 + 1/2

5/2

i) 2/3 + 3/4 + 2/6​

2/3 + 3/4 + 1/3⇒mmc = 12

8 + 9 + 4/12

21/12 ÷ 3

7/4

Espero ter ajudado.