Subtract 5/20 from 56/54
1st number: 1 2/54, 2nd number: 5/20
56/54 - 5/20 is 85/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
56/54 = 56 × 10/54 × 10 = 560/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
5/20 = 5 × 27/20 × 27 = 135/540 - Subtract the two like fractions:
560/540 - 135/540 = 560 - 135/540 = 425/540 - After reducing the fraction, the answer is 85/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-10/20 56/54-5/40 56/54-15/20 56/54-5/60 56/54-25/20 56/54-35/20