Subtract 9/28 from 6/9
6/9 - 9/28 is 29/84.
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,
6/9 = 6 × 28/9 × 28 = 168/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
9/28 = 9 × 9/28 × 9 = 81/252 - Subtract the two like fractions:
168/252 - 81/252 = 168 - 81/252 = 87/252 - After reducing the fraction, the answer is 29/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-9/28 6/9-18/28 6/18-9/28 6/9-9/56 18/9-9/28 6/9-27/28 6/27-9/28 6/9-9/84 30/9-9/28 6/9-45/28 6/45-9/28 42/9-9/28 6/9-63/28 6/63-9/28