Subtract 56/15 from 30/12
1st number: 2 6/12, 2nd number: 3 11/15
30/12 - 56/15 is -37/30.
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,
30/12 = 30 × 5/12 × 5 = 150/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Subtract the two like fractions:
150/60 - 224/60 = 150 - 224/60 = -74/60 - After reducing the fraction, the answer is -37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-56/15 30/24-56/15 30/12-56/30 90/12-56/15 30/36-56/15 30/12-56/45 30/60-56/15 30/12-56/75 30/84-56/15