Subtract 4/24 from 9/20
9/20 - 4/24 is 17/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
9/20 = 9 × 6/20 × 6 = 54/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
4/24 = 4 × 5/24 × 5 = 20/120 - Subtract the two like fractions:
54/120 - 20/120 = 54 - 20/120 = 34/120 - After reducing the fraction, the answer is 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20-4/24 9/20-8/24 9/40-4/24 9/20-4/48 27/20-4/24 9/20-12/24 9/60-4/24 9/20-4/72 45/20-4/24 9/20-20/24 63/20-4/24 9/20-28/24