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# How do you multiply a whole number times a fraction

### 2 Answers by Expert Tutors

LeighAnne D. | Highly Effective Educator available for Tutoring in Multiple SubjectsHighly Effective Educator available for ...
4.9 4.9 (131 lesson ratings) (131)
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Step 1: Put the whole number over 1 to turn it into a fraction.    (ex. 5 will become 5/1).
Step 2: Multiply across. Top number by top number (numerator) and bottom number by bottom number (denominator).
Step 3: Simplify your answer by dividing BOTH numerator and denominator by the same number, when applicable.

Example. 5  x  2/15

Step 1:  5 becomes 5/1
Step 2:  5/1 x 2/15 = 10/15
Step 3: 10/15 each can be divided by 5 to get 2/3

Steve S. | Tutoring in Precalculus, Trig, and Differential CalculusTutoring in Precalculus, Trig, and Diffe...
5.0 5.0 (3 lesson ratings) (3)
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Make the whole number into a fraction.

E.g., 3 * 1/7 = (3/1)*(1/7) = 3*1/(1*7)

Basically you wind up multiplying the numerator of the fraction by the whole number.