Subtract 3/27 from 20/24
20/24 - 3/27 is 13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
20/24 = 20 × 9/24 × 9 = 180/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
3/27 = 3 × 8/27 × 8 = 24/216 - Subtract the two like fractions:
180/216 - 24/216 = 180 - 24/216 = 156/216 - After reducing the fraction, the answer is 13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-3/27 20/24-6/27 20/48-3/27 20/24-3/54 60/24-3/27 20/24-9/27 20/72-3/27 20/24-3/81 20/24-15/27 20/24-21/27