Subtract 56/15 from 27/12
1st number: 2 3/12, 2nd number: 3 11/15
27/12 - 56/15 is -89/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Subtract the two like fractions:
135/60 - 224/60 = 135 - 224/60 = -89/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-56/15 27/24-56/15 27/12-56/30 81/12-56/15 27/36-56/15 27/12-56/45 27/60-56/15 27/12-56/75 27/84-56/15