Question

Evaluate this expression. − 4/5 − (− 2/5 ) + 4/7

A) − 22/35
B) − 3/5
C) 6/35
D) 2

Answer 1

The choose C. 6/35

Explanation:

`- (4)/(5) + (2)/(5) + (4)/(7) \\ ( - 28 + 14 + 20)/(35) = (6)/(35)`

Answer 2

c) 6/35

Explanation:

− 4/5 − (− 2/5 ) + 4/7

= − 4/5 + 2/5 + 4/7

= 6/35