Subtract 6/96 from 21/4, Solve 5 1/4

Subtract 6/96 from 21/4

1^st number: 5 1/4, 2^nd number: 6/96

21/4 - 6/96 is 83/16.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 96 is 96

Next, find the equivalent fraction of both fractional numbers with denominator 96
For the 1st fraction, since 4 × 24 = 96,
21/4 = 21 × 24/4 × 24 = 504/96
Likewise, for the 2nd fraction, since 96 × 1 = 96,
6/96 = 6 × 1/96 × 1 = 6/96
Subtract the two like fractions:
504/96 - 6/96 = 504 - 6/96 = 498/96
After reducing the fraction, the answer is 83/16
In mixed form: 53/16

MathStep (Works offline)

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