Question

como resolver essas Fraçoes 3\4+2\7+5\8, 2\3×5\7,

Answer 1

Resposta:

Se for 3/4+2/7+5/8     e      2/3×5/7

a)

3/4+2/7+5/8

3/4+5/8 +2/7

6/8+5/8+2/7

11/8 + 2/7

77/56+16/56=93/56

b)

2/3 * 5/7 =10/21