Question

i posted this question for the purpose of getting points for all brainly users as I know the answer
-1/30

Answer 1

1/60- 1/20

=
$\frac{1- 3}{60}$
=
$- \frac{2}{60}$
=
$- \frac{1}{30}$

Hope this helps you mate
have a great day ahead ❤❤

Answer 2

Write the equation then take LCM of 20 and 60 and you will LCM as 60 and now you get answer -2÷6 and then cut each of then on 2 and you will get -1÷30 .This was all about this answer