Answer
Estimate=5
Exact=4$\frac{19}{20}$
Work Step by Step
Estimate:
9-4=5
Exact:
8$\frac{3}{4}$-3$\frac{4}{5}$
8$\frac{15}{20}$-3$\frac{16}{20}$
4$\frac{19}{20}$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 3 - Adding and Subtracting Fractions - Summary Exercises - Operations with Fractions - Page 236: 30
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