Subtract 16/24 from 20/18
1st number: 1 2/18, 2nd number: 16/24
20/18 - 16/24 is 4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
20/18 = 20 × 4/18 × 4 = 80/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
16/24 = 16 × 3/24 × 3 = 48/72 - Subtract the two like fractions:
80/72 - 48/72 = 80 - 48/72 = 32/72 - After reducing the fraction, the answer is 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-16/24 20/18-32/24 20/36-16/24 20/18-16/48 60/18-16/24 20/18-48/24 20/54-16/24 20/18-16/72 20/18-80/24 20/90-16/24