Question

arme as operações e resolva a)3/10+2/5= b)2+5/12= c)1/3+5/12+10/15= d)10/12-2/3= ​

Answer 1

Resposta:

a) 3/10 + 2/5 =

3/10 + 4/10 = 7/10

b) 2 + 5/12 =

24/12 + 5/12 = 29/12

c) 1/3 + 5/12 + 10/15 =

1/3 + 5/12 + 5/3 =

4/12 + 5/12 + 20/12 = 29/12

d) 10/12 - 2/3 =

10/12 - 8/12 = 18/12 = 3/2