Subtract 1/20 from 10/54
10/54 - 1/20 is 73/540.
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,
10/54 = 10 × 10/54 × 10 = 100/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
1/20 = 1 × 27/20 × 27 = 27/540 - Subtract the two like fractions:
100/540 - 27/540 = 100 - 27/540 = 73/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54-1/20 10/54-2/20 10/54-1/40 30/54-1/20 10/54-3/20 10/54-1/60 50/54-1/20 10/54-5/20 70/54-1/20 10/54-7/20