Subtract 2/18 from 8/28
8/28 - 2/18 is 11/63.
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,
8/28 = 8 × 9/28 × 9 = 72/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
2/18 = 2 × 14/18 × 14 = 28/252 - Subtract the two like fractions:
72/252 - 28/252 = 72 - 28/252 = 44/252 - After reducing the fraction, the answer is 11/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-2/18 8/28-4/18 8/56-2/18 8/28-2/36 24/28-2/18 8/28-6/18 8/84-2/18 8/28-2/54 40/28-2/18 8/28-10/18 8/28-2/90 56/28-2/18 8/28-14/18