Subtract 8/18 from 3/24
3/24 - 8/18 is -23/72.
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,
3/24 = 3 × 3/24 × 3 = 9/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
8/18 = 8 × 4/18 × 4 = 32/72 - Subtract the two like fractions:
9/72 - 32/72 = 9 - 32/72 = -23/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-8/18 3/24-16/18 3/48-8/18 3/24-8/36 9/24-8/18 3/24-24/18 3/72-8/18 3/24-8/54 15/24-8/18 3/24-40/18 3/24-8/90 21/24-8/18 3/24-56/18