Find the sum or difference. write your answer in simplest form. 7/10- 1/2

The difference of this equation is 1/5

The reason:

If you want to add or subtract fractions, you need to make the denominators, the bottom numbers, the same. In this equation, we need to change the halves into tenths.

Take 1/2 and multiply the numerator and denominator by 5 to get 5/10.

Subtract 5/10 from 7/10.
7/10 - 5/10

Take the solution from that (2/10) and simplify it.

2/10 = 1/5

There you go! Hope this helps.

127 millimeters is the answer

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