Subtract 4/15 from 10/28
10/28 - 4/15 is 19/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
10/28 = 10 × 15/28 × 15 = 150/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Subtract the two like fractions:
150/420 - 112/420 = 150 - 112/420 = 38/420 - After reducing the fraction, the answer is 19/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-4/15 10/28-8/15 10/56-4/15 10/28-4/30 30/28-4/15 10/28-12/15 10/84-4/15 10/28-4/45 50/28-4/15 10/28-20/15 10/28-4/75 70/28-4/15 10/28-28/15