Subtract 3/28 from 2/18
2/18 - 3/28 is 1/252.
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,
2/18 = 2 × 14/18 × 14 = 28/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
3/28 = 3 × 9/28 × 9 = 27/252 - Subtract the two like fractions:
28/252 - 27/252 = 28 - 27/252 = 1/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-3/28 2/18-6/28 2/36-3/28 2/18-3/56 6/18-3/28 2/18-9/28 2/54-3/28 2/18-3/84 10/18-3/28 2/18-15/28 2/90-3/28 14/18-3/28 2/18-21/28