Subtract Fractions with Unlike Denominators
Print 5th grade fraction worksheets: rewrite fractions with a common denominator on aligned fraction bars, then subtract unlike denominators.
Worksheet version 1 of 12. The answer key matches the current version.
All bars are the same whole. Bar C is split into parts that fit both A and B. Shade A on C, cross out the amount in B, and fill in the blanks.
1. Shade A on C, then cross out B.
1/2 − 1/3 = ___/6 − ___/6 = ___/6
2. Shade A on C, then cross out B.
3/4 − 1/2 = ___/4 − ___/4 = ___/4
3. Shade A on C, then cross out B.
2/3 − 1/4 = ___/12 − ___/12 = ___/12
4. Shade A on C, then cross out B.
5/6 − 1/3 = ___/6 − ___/6 = ___/6
5. Find a common denominator. Draw bar C if it helps.
7/10 − 1/2 = ___/___ − ___/___ = ___/___
6. Find a common denominator. Draw bar C if it helps.
3/4 − 1/6 = ___/___ − ___/___ = ___/___
About this worksheet
To subtract fractions with different denominators, first rewrite both with a common denominator so the parts are the same size. Then take away numerators. Check the answer against the bars, and simplify it if the numerator and denominator share a factor.
Print a student sheet, then choose “Show answer key” for the matching version. Choose “New worksheet” for another version.
Practice aligned to CCSS 5.NF.A.1.
More practice: fraction worksheets and 5th grade math worksheets.