# Chapter R - Section R.2 - Fractions - Practice: 19

$\frac{17}{40}$

#### Work Step by Step

1. Find LCD of fractions: 40 2. Write both fractions with denominators of 40: $\frac{3}{8} * \frac{5}{5} = \frac{15}{40}$ $\frac{1}{20} * \frac{2}{2} = \frac{2}{40}$ 3. Solve by adding numerators together: $\frac{15}{40}$ + $\frac{2}{40}$ = $\frac{17}{40}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.