Adding Fractions with Unlike Denominators
Practice adding fractions with unlike denominators, finding common denominators, and simplifying sums.
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Adding Fractions with Unlike Denominators
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Read each question carefully and follow the instructions. Show your work when adding fractions with unlike denominators. Simplify your answers to the lowest terms.
1. Add the following fractions. Show your work.
a) 1/2 + 1/3 =
b) 2/5 + 1/10 =
c) 3/4 + 1/6 =
2. Find the least common denominator (LCD) for each pair of fractions and rewrite them with the LCD.
a) 1/4 and 2/3. LCD: . Rewritten: and
b) 3/5 and 1/2. LCD: . Rewritten: and
c) 5/6 and 1/3. LCD: . Rewritten: and
3. Which of the following is the correct sum of 1/4 + 1/8?
2/12
3/8
2/8
1/3
4. Sarah ate 1/3 of a pizza, and Tom ate 1/4 of the same pizza. How much pizza did they eat together?
5. Use the fraction bars below to visually represent the addition of 1/2 and 1/4. Then write your answer.
Answer:
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