To determine The evaluation of the given expressions. Explanation Given: a) 1 3 + 1 5 b) 10 3 × 3 7 c) 3 4 − 1 8 d) 1 2 + 2 3 + 3 4 e) 6 5 + 4 15 f) 3 5 × 2 7 g) 1 3 + 13 6 h) 3 5 × 10 3 Calculations: a) 1 3 + 1 5 If two fractions do not have the same denominator, then we must rewrite the fractions with the same denominator before adding and subtracting. Thus, we have 1 3 + 1 5 = 5 15 + 3 15 = 8 15 b) 10 3 × 3 7 To multiply fractions, we multiply the numerators and denominators separately. Sometimes we simplify fractions at the same time we multiply them by canceling terms that occur in both the numerator and denominator. Thus, we have, 10 3 × 3 7 = 10 7 c) 3 4 − 1 8 If two fractions do not have the same denominator, then we must rewrite the fractions with the same denominator before adding and subtracting. Thus, we have 3 4 − 1 8 = 6 8 − 1 8 = 5 8 d) 1 2 + 2 3 + 3 4 If two or three fractions do not have the same denominator, then we must rewrite the fractions with the same denominator before adding and subtracting. Thus, we have 1 2 + 2 3 + 3 4 = 6 12 + 8 12 + 9 12 = 23 12 e) 6 5 + 4 15 If two fractions do not have the same denominator, then we must rewrite the fractions with the same denominator before adding and subtracting...

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

7th Edition

ISBN: 9780134705187

Author: Jeffrey O. Bennett, William L. Briggs

Publisher: PEARSON

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Chapter 2.A, Problem 14E

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The evaluation of the given expressions.

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Chapter 2.A, Problem 13E

Chapter 2.A, Problem 15E

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Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

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