Subtract 50/15 from 1/28
1st number: 1/28, 2nd number: 3 5/15
1/28 - 50/15 is -277/84.
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,
1/28 = 1 × 15/28 × 15 = 15/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
50/15 = 50 × 28/15 × 28 = 1400/420 - Subtract the two like fractions:
15/420 - 1400/420 = 15 - 1400/420 = -1385/420 - After reducing the fraction, the answer is -277/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-50/15 1/56-50/15 1/28-50/30 3/28-50/15 1/84-50/15 1/28-50/45 5/28-50/15 1/28-50/75 7/28-50/15