Subtract 2/20 from 28/24
1st number: 1 4/24, 2nd number: 2/20
28/24 - 2/20 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
2/20 = 2 × 6/20 × 6 = 12/120 - Subtract the two like fractions:
140/120 - 12/120 = 140 - 12/120 = 128/120 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-2/20 28/24-4/20 28/48-2/20 28/24-2/40 84/24-2/20 28/24-6/20 28/72-2/20 28/24-2/60 28/24-10/20 28/24-14/20