Question

EU PRECISO DE AJUDA URGENTEEEEE EU IMPLORO MANO

Answer 1

Resposta:

Explicação passo-a-passo:

b) 4/5 + 2/3 =

mmc(3,5)=15

12/15 + 10/15 =

22/15.

c) 1/2 - 1/3 =

mmc(2,3)=6

3/6 - 2/6 =

1/6.

3) 11/20 - 2/5 =

mmc(5,20)=20

11/20 - 8/20 =

3/20.

4) 1/10 + 7/10 =

8/10 =

4.2/5.2 =

4/5.