Question

efetue as adições, simplificando o resultado quando possível;

a)2/9 + 5/9 =
b)4/10 + 7/10 =
c)2/15 + 5/15 =
d)5/12 + 3/12 + 1/12 =
e)5/4 + 3/4 =
f)1/6 + 2/6 + 3/6 =

Answer 1

Vamos lá.

a)2/9 + 5/9 = 7/9

b)4/10 + 7/10 = 11/10

c)2/15 + 5/15 = 7/15

d)5/12 + 3/12 + 1/12 = 9/12 = 3/4

e)5/4 + 3/4 = 8/4 = 2/1=2

f)1/6 + 2/6 + 3/6 =  6/6 = 1

Bons estudos