Practice with Unlike Denominators
| Site: | Saylor Academy |
| Course: | RWM101: Foundations of Real World Math copy 1 |
| Book: | Practice with Unlike Denominators |
| Printed by: | Guest user |
| Date: | Tuesday, May 13, 2025, 11:02 PM |
Description
buttons.Problems
Here are four problems to practice. There are hints and videos if you need help. Successfully completing these problesm will let you know that you know how to add and subtract mixed numbers.
1. Subtract.
\(8\frac{4}{5}-\frac{1}{2}=\)
2. Add.
\(4 \dfrac{1}{2}+1 \dfrac{2}{5}= \)
3. Subtract.
\(6 \dfrac{2}{5}-3\dfrac{1}{4}= \)
4. Add.
\(\dfrac{2}{3}+2 \dfrac{1}{6}=\)
Source: Khan Academy, https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-mixed-number-with-unlike-denominators/e/adding_subtracting_mixed_numbers_1
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Answers
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\(8\frac{4}{5}-\frac{1}{2}= 8\frac{3}{10}\)
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\(4 \dfrac{1}{2}+1 \dfrac{2}{5}=5 \dfrac{9}{10}\)
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\(6 \dfrac{2}{5}-3\dfrac{1}{4}= 3\frac{3}{20}\)
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\(\dfrac{2}{3}+2 \dfrac{1}{6}=2 \dfrac{5}{6}\)