Subtract 9/28 from 6/18
6/18 - 9/28 is 1/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
6/18 = 6 × 14/18 × 14 = 84/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
9/28 = 9 × 9/28 × 9 = 81/252 - Subtract the two like fractions:
84/252 - 81/252 = 84 - 81/252 = 3/252 - After reducing the fraction, the answer is 1/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-9/28 6/18-18/28 6/36-9/28 6/18-9/56 6/18-27/28 6/54-9/28 6/18-9/84 30/18-9/28 6/18-45/28 6/90-9/28 42/18-9/28 6/18-63/28