IXL | Add and subtract mixed numbers: word problems

Tammy and Elise weighed their pet cats. Tammy's cat weighed 9 1/6 pounds and Elise's cat weighed 9 1/6 pounds. If they weighed both cats at once, how much would the cats weigh in all?

Write your answer as a fraction or as a whole or mixed number.

pounds

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Learn with an example

question

Luca sprinted 6 1/12 laps and then took a break by jogging 3 11/12 laps. How much farther did Luca sprint than jog?

Write your answer as a fraction or as a whole or mixed number.

laps

solution

Find how much farther Luca sprinted by subtracting 3 11/12 from 6 1/12.

Subtract whole numbers from whole numbers and fractions from fractions.

–

You can't subtract yet, because the fraction part of

is larger than the fraction part of

Rewrite

so that you can subtract.

Now subtract. Remember to subtract whole numbers from whole numbers and fractions from fractions.

−

Now simplify.

Write the answer.

−

Luca sprinted 2 1/6 laps farther than he jogged.

Looking for more? Try these:

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

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Teacher tools

Work it out

Not feeling ready yet? These can help:

K.6Add and subtract mixed numbers

K.4Add and subtract fractions with unlike denominators: word problems

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

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