Question

Efetue as operações e apresente na forma simplificada quando possivel 3/13+ 5/13
11/15-2/15
1/3+1/4
5/7x3/5
2/5x2/5x2/5
3/8:2/5
7/10:3

Answer 1

a) 9/15 = 3/5
b) 4/12 + 3/12 = 7/12
c) 15/35 = 3/7
d) 8/125
e) 3/8 x 5/2 = 15/16
f) 7/30