Subtract 1/9 from 20/24
20/24 - 1/9 is 13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 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 9 × 8 = 72,
1/9 = 1 × 8/9 × 8 = 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: 40/24-1/9 20/24-2/9 20/48-1/9 20/24-1/18 60/24-1/9 20/24-3/9 20/72-1/9 20/24-1/27 20/24-5/9 20/24-1/45 20/24-7/9 20/24-1/63