Subtract 28/24 from 5/20
1st number: 5/20, 2nd number: 1 4/24
5/20 - 28/24 is -11/12.
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,
5/20 = 5 × 6/20 × 6 = 30/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Subtract the two like fractions:
30/120 - 140/120 = 30 - 140/120 = -110/120 - After reducing the fraction, the answer is -11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-28/24 5/20-56/24 5/40-28/24 5/20-28/48 15/20-28/24 5/20-84/24 5/60-28/24 5/20-28/72 25/20-28/24 35/20-28/24