Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 2 - Multiplying and Dividing Fractions - 2.5 Multiplying Fractions - 2.5 Exercises - Page 148: 1


To multiply two or more fractions, you multiply the numerators and you multiply the denominators.

Work Step by Step

Multiplication of fractions goes by combining all numerators with the other numerators. Here, we need to multiply all numerators together. Same holds for the denominator. We multiply all denominators with the other denominators. As example: $\frac{7}{5} \cdot \frac{2}{3} = \frac{7 \cdot 2}{5 \cdot 3} = \frac{14}{15}$. We multiplied both numerators $7$ and $2$. We repeated the same step for the denominators $5$ and $3$ and multiplied them.
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