Subtract 2/54 from 18/28
18/28 - 2/54 is 229/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
18/28 = 18 × 27/28 × 27 = 486/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
2/54 = 2 × 14/54 × 14 = 28/756 - Subtract the two like fractions:
486/756 - 28/756 = 486 - 28/756 = 458/756 - After reducing the fraction, the answer is 229/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28-2/54 18/28-4/54 18/56-2/54 54/28-2/54 18/28-6/54 18/84-2/54 90/28-2/54 18/28-10/54 18/28-14/54