Subtract 20/24 from 5/54
5/54 - 20/24 is -20/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
5/54 = 5 × 4/54 × 4 = 20/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
20/24 = 20 × 9/24 × 9 = 180/216 - Subtract the two like fractions:
20/216 - 180/216 = 20 - 180/216 = -160/216 - After reducing the fraction, the answer is -20/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-20/24 5/54-40/24 5/54-20/48 15/54-20/24 5/54-60/24 5/54-20/72 25/54-20/24 35/54-20/24