Subtract 81/28 from 35/9
1st number: 3 8/9, 2nd number: 2 25/28
35/9 - 81/28 is 251/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
35/9 = 35 × 28/9 × 28 = 980/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Subtract the two like fractions:
980/252 - 729/252 = 980 - 729/252 = 251/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-81/28 35/18-81/28 35/9-81/56 35/27-81/28 35/9-81/84 35/45-81/28 35/63-81/28