Subtract 10/27 from 3/15
3/15 - 10/27 is -23/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
3/15 = 3 × 9/15 × 9 = 27/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
10/27 = 10 × 5/27 × 5 = 50/135 - Subtract the two like fractions:
27/135 - 50/135 = 27 - 50/135 = -23/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-10/27 3/15-20/27 3/30-10/27 3/15-10/54 9/15-10/27 3/15-30/27 3/45-10/27 3/15-10/81 3/15-50/27 3/75-10/27 21/15-10/27 3/15-70/27