Subtract 15/27 from 3/24
3/24 - 15/27 is -31/72.
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,
3/24 = 3 × 9/24 × 9 = 27/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
15/27 = 15 × 8/27 × 8 = 120/216 - Subtract the two like fractions:
27/216 - 120/216 = 27 - 120/216 = -93/216 - After reducing the fraction, the answer is -31/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-15/27 3/24-30/27 3/48-15/27 3/24-15/54 9/24-15/27 3/24-45/27 3/72-15/27 3/24-15/81 15/24-15/27 3/24-75/27 21/24-15/27