1 out of 3
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fractions which are equal to 21 = 21/1, 42/2, 63/3,...
12/28
2,/14, 3/21, 4/28, ... Simply mutliply both the numerator and denominator by the same number, and you get whatever equal fraction you want.
21 ounces can be expressed as a fraction by recognizing that 1 pound is equivalent to 16 ounces. Therefore, 21 ounces is equal to 21/16 pounds. This fraction can be simplified to 1 5/16 pounds.
fraction which is equivalent to 3 out of 7 = 6/14, 9/21, 12/28,...