Question

Calcule as somas:
A)1/2+2/5
B)1/3+1/5
C )1/5+5/8
D)1/3+3/4

Answer 1

a)5+4/10 = 9/10= 0,9

b)5+3/15 = 8/15 = 0,5333...

c)8+5/40 = 13/40 = 0,325

d)4+3/12 = 7/12 = 0,58333...