Subtract 10/15 from 7/14
7/14 - 10/15 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
7/14 = 7 × 15/14 × 15 = 105/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Subtract the two like fractions:
105/210 - 140/210 = 105 - 140/210 = -35/210 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-20/15 7/28-10/15 7/14-10/30 21/14-10/15 7/14-30/15 7/42-10/15 7/14-10/45 35/14-10/15 7/14-50/15 7/70-10/15 7/14-10/75 49/14-10/15 7/14-70/15 7/98-10/15