Subtract 25/18 from 25/24
1st number: 1 1/24, 2nd number: 1 7/18
25/24 - 25/18 is -25/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
25/24 = 25 × 3/24 × 3 = 75/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Subtract the two like fractions:
75/72 - 100/72 = 75 - 100/72 = -25/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24-25/18 25/24-50/18 25/48-25/18 25/24-25/36 75/24-25/18 25/24-75/18 25/72-25/18 25/24-25/54 25/24-25/90