Subtract 42/96 from 28/12, Solve 2 4/12

Subtract 42/96 from 28/12

1^st number: 2 4/12, 2^nd number: 42/96

28/12 - 42/96 is 91/48.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 96 is 96

Next, find the equivalent fraction of both fractional numbers with denominator 96
For the 1st fraction, since 12 × 8 = 96,
28/12 = 28 × 8/12 × 8 = 224/96
Likewise, for the 2nd fraction, since 96 × 1 = 96,
42/96 = 42 × 1/96 × 1 = 42/96
Subtract the two like fractions:
224/96 - 42/96 = 224 - 42/96 = 182/96
After reducing the fraction, the answer is 91/48
In mixed form: 143/48

MathStep (Works offline)

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