Math Practice Online: MathScore.com

Math Practice Online > free > lessons > Florida > 7th grade > Fraction Subtraction

If your child needs math practice, click here.

For sample problems, click here.
Here are some tips for Fraction Subtraction, which aligns with Florida state standards:

Fraction Subtraction


Step One: Find the Least Common Denominator

Find the least common denominator of the fractions you wish to add.

Subtract
2
1
2
 -
2
3
The least common multiple of 3 and 2 is 6, so the least common denominator is 6.

Step Two: Adjust the Denominators

Now we have
2
3
6
-
4
6

Step Three: Adjust the first number if necessary

Now we have
1
9
6
-
4
6

Step Four: Subtract the Fractions

1
5
6

Copyright Accurate Learning Systems Corporation 2008.
MathScore is a registered trademark.