Adding and Subtracting Fractions in Word Problems

Adding and Subtracting Fractions in Word Problems

5th Grade · Math · 60 min· Ky.5.nf.2 Solve Word Problems Involving Addition And Subtraction Of Fractions. A. Solve Word Problems Involving Addition And Subtraction Of Fractions Referring To The Same Whole, Including Cases Of Unlike Denominators. B. Use Benchmark Fractions And Number Sense Of Fractions To Estimate Mentally And Assess The Reasonableness Of Answers.

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Learning Objective

I can solve word problems that involve adding and subtracting fractions with unlike denominators.

  • 1

    Shelagh is 15 and 1/2 years old, and Luana is 7 and 7/12 years old.

  • 2

    To subtract mixed numbers, you can convert them to improper fractions and find a common denominator.

  • 3

    The difference in Shelagh and Luana's ages is 7 and 11/12 years.