Adding and Subtracting Fractions (with unlike denominators) Worksheets
Objective: I can add and subtract fractions with the unlike denominators.
When adding or subtracting fractions with unlike denominators
Step 1: Find the lowest common denominator
Step 2: Find the equivalent fraction(s).
Step 3: Add or subtract the fractions
Step 4: Simplify the answers
(Think of the lowest common denominator as the smallest multiple that they have in common.)
Read this if you need to learn about adding and subtracting fractions.
4/9 + 2/3 =
Lowest common denominator = 9
Equivalent fractions with common denominator
4/9 = 4/9
2/3 = 6/9
Add the equivalent fractions, simplify the answer
10/9 = 1 1/9
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
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