Subtract 1/9 from 15/28
15/28 - 1/9 is 107/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
1/9 = 1 × 28/9 × 28 = 28/252 - Subtract the two like fractions:
135/252 - 28/252 = 135 - 28/252 = 107/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-1/9 15/28-2/9 15/56-1/9 15/28-1/18 45/28-1/9 15/28-3/9 15/84-1/9 15/28-1/27 75/28-1/9 15/28-5/9 15/28-1/45 15/28-7/9 15/28-1/63