Subtract 2/18 from 20/24
20/24 - 2/18 is 13/18.
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,
20/24 = 20 × 3/24 × 3 = 60/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
2/18 = 2 × 4/18 × 4 = 8/72 - Subtract the two like fractions:
60/72 - 8/72 = 60 - 8/72 = 52/72 - After reducing the fraction, the answer is 13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-2/18 20/24-4/18 20/48-2/18 20/24-2/36 60/24-2/18 20/24-6/18 20/72-2/18 20/24-2/54 20/24-10/18 20/24-2/90 20/24-14/18