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Found in: Page 634


Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

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Short Answer

Find the sum or difference.



See the step by step solution

Step by Step Solution

Step 1. Given Information.

The provided expression is45-715.

Step 2. Calculation.

Since, the denominators of the first and second fractions of the expression 45-715 are not the same, make the denominators common by multiplying the first fraction by 33.


Subtract the numerators of both obtained fractions to calculate the difference and simplify.

1215715=12715 write difference of numerators over denominator1215715=515 subtract=13

Step 3. Conclusion.

The difference is 13.

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