Subtract 50/15 from 40/14
1st number: 2 12/14, 2nd number: 3 5/15
40/14 - 50/15 is -10/21.
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,
40/14 = 40 × 15/14 × 15 = 600/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
50/15 = 50 × 14/15 × 14 = 700/210 - Subtract the two like fractions:
600/210 - 700/210 = 600 - 700/210 = -100/210 - After reducing the fraction, the answer is -10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-50/15 40/28-50/15 40/14-50/30 40/42-50/15 40/14-50/45 40/70-50/15 40/14-50/75 40/98-50/15