Subtract 35/36 from 12/15
12/15 - 35/36 is -31/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
12/15 = 12 × 12/15 × 12 = 144/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
35/36 = 35 × 5/36 × 5 = 175/180 - Subtract the two like fractions:
144/180 - 175/180 = 144 - 175/180 = -31/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-35/36 12/15-70/36 12/30-35/36 12/15-35/72 36/15-35/36 12/45-35/36 60/15-35/36 12/75-35/36 84/15-35/36