Subtract 5/56 from 27/12, Solve 2 3/12

Subtract 5/56 from 27/12

1^st number: 2 3/12, 2^nd number: 5/56

27/12 - 5/56 is 121/56.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 12 × 14 = 168,
27/12 = 27 × 14/12 × 14 = 378/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
5/56 = 5 × 3/56 × 3 = 15/168
Subtract the two like fractions:
378/168 - 15/168 = 378 - 15/168 = 363/168
After reducing the fraction, the answer is 121/56
In mixed form: 29/56

MathStep (Works offline)

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