Subtract 15/27 from 45/24
1st number: 1 21/24, 2nd number: 15/27
45/24 - 15/27 is 95/72.
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,
45/24 = 45 × 9/24 × 9 = 405/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
15/27 = 15 × 8/27 × 8 = 120/216 - Subtract the two like fractions:
405/216 - 120/216 = 405 - 120/216 = 285/216 - After reducing the fraction, the answer is 95/72
- In mixed form: 123/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24-15/27 45/24-30/27 45/48-15/27 45/24-15/54 45/24-45/27 45/72-15/27 45/24-15/81 45/24-75/27