Question

How do I simplify:
- 1/5[7/10 + (- 1/5)]

Answer 1

there fractions

Answer 2

first put the fractions 7/10 and -1/5 over common denominators and then subtract and you should get 5/10
Then multiply 5 by 5/10
\[\frac{ -1 }{ \frac{ 5*5 }{ 10 } }\]

take the reciprocal of the bottom

and you should get -2/5