Subtract 16/30 from 20/24
20/24 - 16/30 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
16/30 = 16 × 4/30 × 4 = 64/120 - Subtract the two like fractions:
100/120 - 64/120 = 100 - 64/120 = 36/120 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-16/30 20/24-32/30 20/48-16/30 20/24-16/60 60/24-16/30 20/24-48/30 20/72-16/30 20/24-16/90 20/24-80/30