Fractions
Add and Subtract Mixed Fractions
Recall that mixed fractions can also be expressed as improper fractions. In order to add or subtract mixed fractions, we first change to the improper fractions and then add or subtract according to the rules for adding and subtracting simple fractions.
Consider these examples: | ![]() |
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To solve, follow these steps: | ||
1. Change the mixed fractions to improper. | ![]() |
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2. Add or subtract the numerators. | ![]() |
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3. Simplify | ![]() |
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Now let’s take a look at similar problems in which the denominators do not match.
Practice:
Find the following sums and differences. Write your answer in lowest terms.