Subtract 63/54 from 1/4, Solve 1/4 - 1 9/54 as a fraction

Subtract 63/54 from 1/4

1^st number: 1/4, 2^nd number: 1 9/54

1/4 - 63/54 is -11/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 4 × 27 = 108,
1/4 = 1 × 27/4 × 27 = 27/108
Likewise, for the 2nd fraction, since 54 × 2 = 108,
63/54 = 63 × 2/54 × 2 = 126/108
Subtract the two like fractions:
27/108 - 126/108 = 27 - 126/108 = -99/108
After reducing the fraction, the answer is -11/12

MathStep (Works offline)

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