Subtract 35/9 from 15/28
1st number: 15/28, 2nd number: 3 8/9
15/28 - 35/9 is -845/252.
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,
35/9 = 35 × 28/9 × 28 = 980/252 - Subtract the two like fractions:
135/252 - 980/252 = 135 - 980/252 = -845/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-35/9 15/28-70/9 15/56-35/9 15/28-35/18 45/28-35/9 15/84-35/9 15/28-35/27 75/28-35/9 15/28-35/45 15/28-35/63