Subtract 2/54 from 20/56
20/56 - 2/54 is 121/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
20/56 = 20 × 27/56 × 27 = 540/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
2/54 = 2 × 28/54 × 28 = 56/1512 - Subtract the two like fractions:
540/1512 - 56/1512 = 540 - 56/1512 = 484/1512 - After reducing the fraction, the answer is 121/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56-2/54 20/56-4/54 60/56-2/54 20/56-6/54 20/56-10/54 20/56-14/54