Question

1 1
- - - =
4 2

Answer 1

1/4 - 1/2 =?
First, make the denominators the same.
I would make 1/2 to 2/4.

Answer 2

than subtract the numerators.
\[\frac{ 1 }{ 4} - \frac{ 2 }{ 4 } = \frac{ -1 }{ 4 }\]