Subtract 9/14 from 40/15
1st number: 2 10/15, 2nd number: 9/14
40/15 - 9/14 is 85/42.
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,
40/15 = 40 × 14/15 × 14 = 560/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Subtract the two like fractions:
560/210 - 135/210 = 560 - 135/210 = 425/210 - After reducing the fraction, the answer is 85/42
- In mixed form: 21/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-9/14 40/15-18/14 40/30-9/14 40/15-9/28 40/15-27/14 40/45-9/14 40/15-9/42 40/15-45/14 40/75-9/14 40/15-9/70 40/15-63/14 40/15-9/98