IXL - Add and subtract fractions and mixed numbers: word problems (Algebra 1 practice)

The Parent-Teacher Association made 12 7/8 gallons of fruit punch for Parents' Night. Parents and teachers drank only 6 3/8 gallons altogether that night. How many gallons of fruit punch did the Parent-Teacher Association have left?

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

gallons

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question

Connor has a white extension cord that is 5 1/4 feet long and a purple extension cord that is 6 1/2 feet long. If Connor plugs one extension cord into the other, how far will the cords reach?

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

feet

solution

Find how far the cords will reach together by adding 5 1/4 and 6 1/2.

The least common denominator of 4 and 2 is 4.

Write

with 4 as the denominator.

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

This answer is in simplest form.

The cords will reach 11 3/4 feet.

Looking for more? Try these:

Lesson: Adding fractions with unlike denominators

Lesson: Subtracting fractions with unlike denominators

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Not feeling ready yet? These can help:

Add and subtract fractions

F.1Understanding fractions: word problems

Lesson: Adding fractions with unlike denominators

Lesson: Subtracting fractions with unlike denominators

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