Subtract 7/15 from 40/14
1st number: 2 12/14, 2nd number: 7/15
40/14 - 7/15 is 251/105.
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,
40/14 = 40 × 15/14 × 15 = 600/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
7/15 = 7 × 14/15 × 14 = 98/210 - Subtract the two like fractions:
600/210 - 98/210 = 600 - 98/210 = 502/210 - After reducing the fraction, the answer is 251/105
- In mixed form: 241/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-7/15 40/14-14/15 40/28-7/15 40/14-7/30 40/14-21/15 40/42-7/15 40/14-7/45 40/14-35/15 40/70-7/15 40/14-7/75 40/14-49/15 40/98-7/15