Subtract 12/14 from 10/15
10/15 - 12/14 is -4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
12/14 = 12 × 15/14 × 15 = 180/210 - Subtract the two like fractions:
140/210 - 180/210 = 140 - 180/210 = -40/210 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15-12/14 10/15-24/14 10/30-12/14 10/15-12/28 30/15-12/14 10/15-36/14 10/45-12/14 10/15-12/42 50/15-12/14 10/15-60/14 10/75-12/14 10/15-12/70 70/15-12/14 10/15-84/14 10/15-12/98