Question

Adding and subtracting unlike fractions in word problems

Ben is making waffles for his friends. the recipe calls for 2/3 cup of bleached flour and 1/4 cup of wheat flour. what is the total amount of flour Ben needs to make the waffles?

what operation is needed to solve this problem?
A) -
B) +
C) ÷
D) × ​

Answer 1

B. +

Explanation:
Since your lesson is test is mainly about “adding and subtracting unlike fractions in word problems” then why not choose B?

The question is asking for the TOTAL amount of flour, then the given ingredients are both flours. So you will need to add them.

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-SpaceMarsh