Question

calcule e simplifique os resultados, quando for possivel A)9/2+7/4+2/3 B)2/5+1/10+1/2 C)2/7+1/10+3/2​

Answer 1

Olá...

a)

9/2 + 7/4 + 2/3 ⇒mmc de (2,10,2) = 12

54 + 21 + 8/12

83/12

b)

2/5 + 1/10 + 1/2⇒mmc de (5,10,2) = 10

4 + 1 + 5/10

10/10

1

c)

2/7 + 1/10 + 3/2⇒mmc de (7,10,2) = 70

20 + 7 + 105/70

132/70 ÷ 2

66/35

Espero ter ajudado.