Adding and Subtracting Fractions Worksheet
Practice adding and subtracting fractions with unlike denominators, including mixed numbers, for 8th-grade math students.
Includes
Standards
Topics
Adding and Subtracting Fractions
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Read each question carefully and solve the fraction problems. Show your work where indicated.
1. To add or subtract fractions, you must first find a .
2. When adding fractions with the same denominator, you add the and keep the denominator the same.
3. A mixed number consists of a whole number and a .
4. Add the following fractions. Show your work.
a) 1/3 + 1/6 =
b) 3/4 + 2/5 =
5. Use the fraction bar below to illustrate the sum of 1/2 + 1/4. Write the answer.
6. Subtract the following fractions. Show your work.
a) 7/8 - 1/4 =
b) 5/6 - 1/3 =
7. A recipe calls for 3/4 cup of flour. If you only have 1/2 cup, how much more flour do you need?
8. Add or subtract the mixed numbers. Show your work.
a) 2 1/2 + 1 3/4 =
b) 3 1/3 - 1 5/6 =
9. To add 1/2 and 1/3, the least common denominator is 5.
True
False
10. The sum of 1/4 + 1/4 is 1/2.
True
False
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