Visualize Fractions: example 4.8

Use a model to rewrite the mixed number $1 \frac{4}{5}$ as an improper fraction.

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Solution
The mixed number $1 \frac{4}{5}$ means one whole plus four fifths. The denominator is $5,$ so the whole is $\frac{5}{5} .$ Together five fifths and four fifths equals nine fifths.

So, $1 \frac{4}{5} = \frac{9}{5} .$

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

Use a model to rewrite the mixed number as an improper fraction: $1 \frac{3}{8} .$

How did it go?