Subtract Mixed Numbers

Next, read this section which describes two methods for subtracting mixed numbers with common denominators. Pay attention to the gray "How To" boxes for an overview of the methods. Complete Example 4.90 using the whole numbers and fraction method, and Example 4.91 using the improper fraction method. Be sure to check your answers.

Examples

EXAMPLE 4.90

Find the difference: 5 \dfrac{3}{5}-2 \dfrac{4}{5}.


EXAMPLE 4.91

Find the difference by converting to improper fractions:

9 \dfrac{6}{11}-7 \dfrac{10}{11} \text {. }