Question

me ajudem nessa questaão abaixo pfv ?

Answer 1

3/4+1/3 = MMC(4,3)=12
9/12 + 4/12 = 13/12 =1 1/12

1/6+1/4= MMC(6,4)= 12
2/12+3/12 = 5/12

3/4- 1/6 = MMC(6,4)=12
9/12 - 2/12 = 7/12

1/3 - 1/4= MMC(3,4)=12
4/12- 3/12 = 1/12

sim. 13/12 = 1 1/12