Subtract 1/28 from 10/15
10/15 - 1/28 is 53/84.
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,
10/15 = 10 × 28/15 × 28 = 280/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
1/28 = 1 × 15/28 × 15 = 15/420 - Subtract the two like fractions:
280/420 - 15/420 = 280 - 15/420 = 265/420 - After reducing the fraction, the answer is 53/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15-1/28 10/15-2/28 10/30-1/28 10/15-1/56 30/15-1/28 10/15-3/28 10/45-1/28 10/15-1/84 50/15-1/28 10/15-5/28 10/75-1/28 70/15-1/28 10/15-7/28