IXL | Add and subtract fractions and mixed numbers: word problems

Ling made cookies. She used 3 1/4 cups of flour and 1 7/8 cups of sugar. How much more flour than sugar did Ling use?

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

cups

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question

Kiera has a pink ribbon and a green ribbon. The pink ribbon is 7 11/12 inches long. The green ribbon is 4 1/3 inches longer than the pink ribbon. How long is the green ribbon?

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

inches

solution

Find how long Kiera's green ribbon is by adding 7 11/12 and 4 1/3.

The least common denominator of 12 and 3 is 12.

Write

with 12 as the denominator.

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

Now simplify.

Write the answer.

Kiera's green ribbon is 12 1/4 inches long.

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:

M.3Add mixed numbers with unlike denominators

M.4Subtract mixed numbers with unlike denominators

L.7Add and subtract fractions with unlike denominators: word problems

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

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