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Q3.

Expert-verified
Found in: Page 230

### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

# Find the sum or difference$\frac{2}{15}+\frac{7}{15}$

The difference of $\frac{2}{15}and\frac{7}{15}$ is $-\frac{1}{3}$.

See the step by step solution

## Step 1. Given information

The number is $\left(\frac{2}{15}-\frac{7}{15}\right)$.

## Step 2. Calculation

Since the denominator of the both the numbers are same, subtract both the numerator keeping the denominator same.

Here, $\frac{2}{15}$ is positive number and $\frac{7}{15}$ is negative number.

Let’s find the difference,

$\begin{array}{c}\left(\frac{2}{15}-\frac{7}{15}\right)=\frac{2-7}{15}\\ =-\frac{5}{15}\\ =-\frac{1}{3}\end{array}$

Hence, The difference of $\frac{2}{15}and\frac{7}{15}$ is $-\frac{1}{3}$.