IXL | Add, subtract, multiply, or divide two fractions: word problems

For a class experiment, Rodrigo's class weighed a log before and after subjecting it to termites. Before subjecting it to termites, the log weighed 2/3 of a pound. After the termites, the log weighed 1/3 of a pound. How much weight did the termites take from the log?

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

pounds

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question

Alvin's drive to work is 14 2/3 hours, whereas Winston's is 9 hours. How much longer is Alvin's drive than Winston's?

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

hours

solution

Find how much longer Alvin's drive is by subtracting 9 from 14 2/3.

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

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This answer is in simplest form.

Alvin's drive is 5 2/3 hours longer than Winston's.

Looking for more? Try these:

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

Lesson: Multiplying mixed numbers

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N.1Add, subtract, multiply, or divide two fractions

K.7Add and subtract mixed numbers: word problems

L.15Multiply mixed numbers: word problems

M.12Divide fractions and mixed numbers: word problems

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

Lesson: Multiplying mixed numbers

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