Question

Efetue as operações com as frações:
A) 3/10 + 2/5
B) 2 + 5/12
C) 1/3 + 5/12 + 10/15
D) 2 - 5/12
E) 10/12 - 2/3

Answer 1

A)3/10+2/5=0,3+0,4={0,7}. B)2+5/12=2+0,41={2,41}. C)1/3+5/12+10/15=0,33+0,41+0,66=0,74+0,66={1,4}. D)2-5/12=2-0,41={1,59}. E)10/12-2/3=0,83-0,66={0,17}