Subtract 3/18 from 6/28
6/28 - 3/18 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
6/28 = 6 × 9/28 × 9 = 54/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
3/18 = 3 × 14/18 × 14 = 42/252 - Subtract the two like fractions:
54/252 - 42/252 = 54 - 42/252 = 12/252 - After reducing the fraction, the answer is 1/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28-3/18 6/28-6/18 6/56-3/18 6/28-3/36 18/28-3/18 6/28-9/18 6/84-3/18 6/28-3/54 30/28-3/18 6/28-15/18 6/28-3/90 42/28-3/18 6/28-21/18