Cooking Problems by: Andrea Hernandez and colby garrison

A baker is making walnut bread. The recipe uses 2/3 cup of walnuts for each bread recipe. The baker has 7 1/2 cups of walnuts. What is the maximum number of full recipes of walnut bread the baker can make?

Walnut bread

The first step to solve this problem is dividing 7 1/2 and 2/3. When dividing a fraction and a mixed number, you first have to make the mixed number into a improper fraction. To do that, you multiply the whole number by the denominator then add the numerator. When you get that answer, you use that as your new numerator and use the same denominator as the last fraction. For example, you multiply 7 and 2 then plus one. The answer to that is 15/2.

The second step is to use copy, dot, flop. That phrase means you copy your first fraction, add a dot instead of a division sign which represents multiplication, and flop the denominator and numerator with the other fraction. When multiplying fractions you multiply across. For example 15/2 times 3/2.

Answer: 15/2 times 3/2= 11 cups



Created with images by Couleur - "pretzels fritters baked goods" • Pauline Mak - "Walnuts" • Editor B - "Sunflower-Walnut Loaves" • - "Walnuts and peanuts" • whitneyinchicago - "Walnut-Bourbon Banana Bread" • inyucho - "Walnuts"

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