Subtract 36/25 from 20/8, Solve 2 4/8

Subtract 36/25 from 20/8

1^st number: 2 4/8, 2^nd number: 1 11/25

20/8 - 36/25 is 53/50.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 8 × 25 = 200,
20/8 = 20 × 25/8 × 25 = 500/200
Likewise, for the 2nd fraction, since 25 × 8 = 200,
36/25 = 36 × 8/25 × 8 = 288/200
Subtract the two like fractions:
500/200 - 288/200 = 500 - 288/200 = 212/200
After reducing the fraction, the answer is 53/50
In mixed form: 13/50

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad