Subtract 4/28 from 28/15
1st number: 1 13/15, 2nd number: 4/28
28/15 - 4/28 is 181/105.
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,
28/15 = 28 × 28/15 × 28 = 784/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
4/28 = 4 × 15/28 × 15 = 60/420 - Subtract the two like fractions:
784/420 - 60/420 = 784 - 60/420 = 724/420 - After reducing the fraction, the answer is 181/105
- In mixed form: 176/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-4/28 28/15-8/28 28/30-4/28 28/15-4/56 84/15-4/28 28/15-12/28 28/45-4/28 28/15-4/84 28/15-20/28 28/75-4/28