Subtract 4/18 from 18/24
18/24 - 4/18 is 19/36.
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,
18/24 = 18 × 3/24 × 3 = 54/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
4/18 = 4 × 4/18 × 4 = 16/72 - Subtract the two like fractions:
54/72 - 16/72 = 54 - 16/72 = 38/72 - After reducing the fraction, the answer is 19/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-4/18 18/24-8/18 18/48-4/18 18/24-4/36 54/24-4/18 18/24-12/18 18/72-4/18 18/24-4/54 90/24-4/18 18/24-20/18 18/24-4/90 18/24-28/18