## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 2 - Section 2.4 - Signed Fractions - Exercises: 17

#### Answer

$-\dfrac{1}{63}$

#### Work Step by Step

Multiply the numerators together and the denominators together to obtain: $=\dfrac{-1 \times 1}{9 \times 7} \\=-\dfrac{1}{63}$

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