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EnchantedLearning.com Fractions |
NUMERATOR DENOMINATOR |
| Fractions | Subtracting Fractions | NUMERATOR DENOMINATOR |
To subtract two or more fractions, first make all the fractions have the same denominator. To do this, find the least common multiple of the two denominators. The Least Common Multiple (LCM) is the smallest number that is a multiple of the two numbers. For example, the LCM of 6 and 8 is 24.
Once the denominators are the same, just subtract the numerators. Then simplify the answer (put the fraction in lowest terms).
Subtracting Fractions Worksheets:
 LCM, GCD Factor two numbers into primes, then use a Venn diagram to compute their Least Common Multiple (LCM) and Greatest Common Divisor (GCD). Or go to an example of how to use this diagram. |
Subtracting Fractions With the Same Denominators Subtract the fractions (they have the same denominators). Worksheet #1 --- Go to the answers. Worksheet #2 --- Go to the answers. Worksheet #3 --- Go to the answers.
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Subtracting Fractions With Different Denominators Subtract the fractions (they have different denominators). Worksheet #1 --- Go to the answers. Worksheet #2 --- Go to the answers. Worksheet #3 --- Go to the answers.
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Subtracting Fractions Word Problems Solve word problems that involve subtracting fractions. Draw pictures to help solve these word problems. Worksheet #1 --- Go to the answers. Worksheet #2 --- Go to the answers. Worksheet #3 --- Go to the answers.
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