Subtract 27/56 from 28/12
1st number: 2 4/12, 2nd number: 27/56
28/12 - 27/56 is 311/168.
Steps for subtracting fractions
- 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,
28/12 = 28 × 14/12 × 14 = 392/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168 - Subtract the two like fractions:
392/168 - 81/168 = 392 - 81/168 = 311/168 - In mixed form: 1143/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-27/56 28/12-54/56 28/24-27/56 84/12-27/56 28/12-81/56 28/36-27/56 28/60-27/56 28/84-27/56