IXL | Add mixed numbers with unlike denominators: word problems

Grace has a pink ribbon and an orange ribbon. The pink ribbon is 4 1/12 inches long. The orange ribbon is 10 2/3 inches longer than the pink ribbon. How long is the orange ribbon?

Simplify your answer and write it as a fraction or as a whole or mixed number.

inches

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question

Charlotte skated for 5 1/12 hours last month and 3 1/2 hours this month. How many hours did Charlotte skate in all?

Simplify your answer and write it as a fraction or as a whole or mixed number.

hours

solution

Find the total distance by adding 5 1/12 and 3 1/2.

The least common denominator of 12 and 2 is 12.

Write

with 12 as the denominator.

Now add. Remember to add whole numbers to whole numbers and fractions to fractions.

This answer is in simplest form.

Charlotte skated 8 7/12 hours in all.

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Lesson: Adding mixed numbers

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Lesson: Adding mixed numbers

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