Question

quantos que é 2 +7/10 - 35/100

Answer 1

mmc de (10,100)
10,100/2
5,50/5
1,10/5
1,2/2
1,1

2*5*5*2 = 100

logo:
100÷1*2 /100 + 100÷10*7 /100 - 100÷100*35 /100 =

200/100 + 70/100 + 35/100 =
= 305/100 ou 3,05

Answer 2

2 + 7/10 - 35 /100                 mmc 10,100 =100

200 + 70 - 35   =  305 = 61
100   100  100     100     20