Basic College Mathematics (9th Edition)

Published by Pearson

Chapter 3 - Adding and Subtracting Fractions - 3.3 Adding and Subtracting Unlike Fractions - 3.3 Exercises: 38

Answer

The difference between the cutting-edge width of the two chisels with the narrowest blades is $\frac{1}{4}$.

Work Step by Step

The cutting-edge width of the two chisels with the narrowest blades are $\frac{1}{2}”$ and $\frac{1}{4}”$. The difference between them is computed by subtraction: $\frac{1}{2} - \frac{1}{4} = \frac{2}{4} - \frac{1}{4} = \frac{2-1}{4} = \frac{1}{4}$.

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