Subtract 6/15 from 35/28
1st number: 1 7/28, 2nd number: 6/15
35/28 - 6/15 is 17/20.
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,
35/28 = 35 × 15/28 × 15 = 525/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
6/15 = 6 × 28/15 × 28 = 168/420 - Subtract the two like fractions:
525/420 - 168/420 = 525 - 168/420 = 357/420 - After reducing the fraction, the answer is 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-6/15 35/28-12/15 35/56-6/15 35/28-6/30 35/28-18/15 35/84-6/15 35/28-6/45 35/28-30/15 35/28-6/75 35/28-42/15