Adding Fractions with Unlike Denominators
Practice adding fractions with unlike denominators using visual models and numerical methods.
Includes
2 Short AnswerFill in the BlanksMultiple Choice
Standards
CCSS.MATH.CONTENT.4.NF.B.3.C
Topics
mathfractionsadditionunlike denominatorsgrade 4
6 sections · Free to use · Printable
Adding Fractions with Unlike Denominators
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Read each question carefully and show your work. Use the fraction bars to help you visualize the addition.
1. Add the following fractions. Use the fraction bars to help you find the common denominator and the sum.
1/2 + 1/4 = ?
2. Add: 1/3 + 1/6 = ?
Find the least common denominator (LCD) for each pair of fractions.
3. The LCD for 1/2 and 1/3 is .
4. The LCD for 1/4 and 1/8 is .
5. The LCD for 2/5 and 1/10 is .
Add the fractions. Show your work.
6. 1/3 + 1/2 =
7. 1/4 + 3/8 =
8. 2/5 + 3/10 =
9. Which of the following is equivalent to 1/2 + 1/6?
a
2/8
b
2/6
c
4/6
d
5/6