Subtract 20/54 from 15/24
15/24 - 20/54 is 55/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
15/24 = 15 × 9/24 × 9 = 135/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Subtract the two like fractions:
135/216 - 80/216 = 135 - 80/216 = 55/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24-20/54 15/24-40/54 15/48-20/54 45/24-20/54 15/24-60/54 15/72-20/54 75/24-20/54