Subtracting Fractions with Unlike Denominators

Subtracting Fractions with Unlike Denominators

Example 1

 $\frac{3}{4}\ -\ \frac{1}{2}$  
We do not have the same size pieces, so we cannot add yet!

Step 1:

Find a common multiple to determine your common denominator.

Step 2:

Multiply your fractions to get a common denominator.

Step 3:

Rewrite the problem, subtract only the numerators.

Answer:

3/4 - 1/2 = 1/4