Question

how do you add and subtract fractions

Answer 1

easy...

Answer 2

Explain I don't remember

Answer 3

Does the phrase, "find a common denominator" ring any bells?

Answer 4

Yes

Answer 5

Awesome let's start off with a simple addition fraction that has a common denominator:
\[\frac{1}{3}+\frac{2}{3}\]
Do you know how to do this?

Answer 6

5/3 + 7/2 LCD would be 6... 5+7/6 = 12/6

Answer 7

SAT's are next month

Answer 8

What you do to the bottom you must do to the top.
(So if you times the denominator by two you must do the same to the numerator.)