Subtract 18/27 from 63/25, Solve 2 13/25

Subtract 18/27 from 63/25

1^st number: 2 13/25, 2^nd number: 18/27

63/25 - 18/27 is 139/75.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
63/25 = 63 × 27/25 × 27 = 1701/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
18/27 = 18 × 25/27 × 25 = 450/675
Subtract the two like fractions:
1701/675 - 450/675 = 1701 - 450/675 = 1251/675
After reducing the fraction, the answer is 139/75
In mixed form: 164/75

MathStep (Works offline)

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