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Solve Multi-Step Problems with Fractions and Mixed Numbers
Worksheet
Grade Level
Grade 5
5.66 Solve Multi-Step Problems with Fractions and Mixed Numbers
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🔴 Hard
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A craft plan is represented by 3 7/10 + 2/5 − 1 3/20. Which option shows a correct common-denominator or equivalence strategy?
A
Use denominator 20: rewrite the fractions, but add every amount, so 3 7/10 + 2/5 + 1 3/20 = 5 1/4 yards
B
Use denominator 20: 3 7/10 = 74/20, 2/5 = 8/20, 1 3/20 = 23/20, so 3 7/10 + 2/5 − 1 3/20 = 2 19/20 yards
C
Add or subtract numerators and denominators directly, giving 16/35 yards
D
Use denominator 22: 3 7/10 = 81/22, 2/5 = 9/22, 1 3/20 = 25/22, then compute the result
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