Subtract 3/9 from 10/28
10/28 - 3/9 is 1/42.
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,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
3/9 = 3 × 28/9 × 28 = 84/252 - Subtract the two like fractions:
90/252 - 84/252 = 90 - 84/252 = 6/252 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-3/9 10/28-6/9 10/56-3/9 10/28-3/18 30/28-3/9 10/84-3/9 10/28-3/27 50/28-3/9 10/28-15/9 10/28-3/45 70/28-3/9 10/28-21/9 10/28-3/63