3 1/8 - 1 7/8 subtract: write your answer as a mixed number

Question

asked Mar 25, 2020 115k views

1 Answer

Alex Boisvert · Answer 1 · 2020-03-31T03:07:31+0000

Answer:

$1\displaystyle(1)/(4)$

Explanation:

1. Change into improper fractions

$3\displaystyle(1)/(8)$ →
$\displaystyle(25)/(8)$

$1\displaystyle(7)/(8)$ →
$\displaystyle(15)/(8)$

2. Subtract the fractions

$\displaystyle(25)/(8)$ -
$\displaystyle(15)/(8)$ =
$\displaystyle(10)/(8)$

3. Simplify

$\displaystyle(10)/(8)$ →
$\displaystyle(5)/(4)$

4. Write as a mixed number

$\displaystyle(5)/(4)$ →
$1\displaystyle(1)/(4)$