Subtract 40/15 from 10/14
1st number: 10/14, 2nd number: 2 10/15
10/14 - 40/15 is -41/21.
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,
10/14 = 10 × 15/14 × 15 = 150/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210 - Subtract the two like fractions:
150/210 - 560/210 = 150 - 560/210 = -410/210 - After reducing the fraction, the answer is -41/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14-40/15 10/14-80/15 10/28-40/15 10/14-40/30 30/14-40/15 10/42-40/15 10/14-40/45 50/14-40/15 10/70-40/15 10/14-40/75 70/14-40/15 10/98-40/15