IXL | Add, subtract, and multiply fractions in recipes

How many more cups of sugar than butter are needed?

Crispy apple crisp

INGREDIENTS:

3 cups apples

cups sugar

cups flour

2 teaspoons oats

cup butter

1 teaspoon cinnamon

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

cups

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Learn with an example

question

What quantity of vanilla would you need to make 4 times as much as the original recipe?

Very cherry pie

INGREDIENTS:

3 cups cherries

2 cups sugar

cup flour

teaspoons vanilla

2 teaspoons cinnamon

1 pie crust

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

teaspoons

solution

The recipe calls for

teaspoons of vanilla. To make 4 times as much as the original recipe, multiply this amount by 4.

Write

as an improper fraction.

Write 4 as an improper fraction.

Multiply the numerators, then multiply the denominators. Simplify your answer.

You would need

teaspoons of vanilla.

Looking for more? Try these:

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

Lesson: Multiplying fractions and whole numbers

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Teacher tools

Work it out

Not feeling ready yet? These can help:

T.4Add and subtract fractions with like denominators: word problems

V.6Multiply unit fractions by whole numbers: word problems

Lesson: Adding mixed numbers

Lesson: Subtracting mixed numbers

Lesson: Multiplying fractions and whole numbers

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