Subtract 4/9 from 20/24
20/24 - 4/9 is 7/18.
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,
4/9 = 4 × 8/9 × 8 = 32/72 - Subtract the two like fractions:
60/72 - 32/72 = 60 - 32/72 = 28/72 - After reducing the fraction, the answer is 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-4/9 20/24-8/9 20/48-4/9 20/24-4/18 60/24-4/9 20/24-12/9 20/72-4/9 20/24-4/27 20/24-20/9 20/24-4/45 20/24-28/9 20/24-4/63