Subtract 9/18 from 8/24
8/24 - 9/18 is -1/6.
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,
8/24 = 8 × 3/24 × 3 = 24/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
9/18 = 9 × 4/18 × 4 = 36/72 - Subtract the two like fractions:
24/72 - 36/72 = 24 - 36/72 = -12/72 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/24-9/18 8/48-9/18 8/24-9/36 8/24-27/18 8/72-9/18 8/24-9/54 40/24-9/18 8/24-45/18 8/24-9/90 56/24-9/18 8/24-63/18