Subtract 8/18 from 6/28
6/28 - 8/18 is -29/126.
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,
8/18 = 8 × 14/18 × 14 = 112/252 - Subtract the two like fractions:
54/252 - 112/252 = 54 - 112/252 = -58/252 - After reducing the fraction, the answer is -29/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28-8/18 6/28-16/18 6/56-8/18 6/28-8/36 18/28-8/18 6/28-24/18 6/84-8/18 6/28-8/54 30/28-8/18 6/28-40/18 6/28-8/90 42/28-8/18 6/28-56/18