Subtract 14/28 from 40/15
1st number: 2 10/15, 2nd number: 14/28
40/15 - 14/28 is 13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
40/15 = 40 × 28/15 × 28 = 1120/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
14/28 = 14 × 15/28 × 15 = 210/420 - Subtract the two like fractions:
1120/420 - 210/420 = 1120 - 210/420 = 910/420 - After reducing the fraction, the answer is 13/6
- In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-14/28 40/30-14/28 40/15-14/56 40/15-42/28 40/45-14/28 40/15-14/84 40/15-70/28 40/75-14/28 40/15-98/28