Fractions, Decimals and Percentages · Chapter 4

Fraction Multiplier and Recipe Scaler

“Of” means times: top times top, bottom times bottom. Multiply by a number under one and the answer shrinks.

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Opens on Chapter 4’s example: half of Inez’s 3/4 cup of oil, and her recipe for six cooked for four.

Scale a recipe
Enter your numbers, then press Calculate.
From the book, Chapter 4. Half of 3/4 cup is 3/8 cup (6 tablespoons). A bed 3/4 yd by 2/5 yd is 3/10 square yard; 2 1/2 × 1 1/3 = 3 1/3; 8/15 × 5/12 = 2/9. Inez’s recipe for six, cooked for four: flour 1 cup, salt 1/2 teaspoon, 2 eggs, and milk 5/6 cup, which is 13 1/3 tablespoons.

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