Question

Please answer this math question

Answer 1

`(-5)/(28)`

Explanation:

Given:

`(-1)/(5) * ((3)/(4) + (1)/(7))`

Required:

Solve

Solution:

`(-1)/(5) * ((3)/(4) + (1)/(7))`

Apply distributive property by multiplying each reaction in the box by -⅕

`((-1)/(5) * (3)/(4)) + ((-1)/(5) * (1)/(7))`

`(-3)/(20) + (-1)/(35)`

Add together. Common denominator is 140. Therefore:

`(-21 + (-4))/(140)`

`(-25)/(140)`

Simplify further

`(-5)/(28)`