Subtract 4/24 from 45/20
1st number: 2 5/20, 2nd number: 4/24
45/20 - 4/24 is 25/12.
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,
45/20 = 45 × 6/20 × 6 = 270/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
4/24 = 4 × 5/24 × 5 = 20/120 - Subtract the two like fractions:
270/120 - 20/120 = 270 - 20/120 = 250/120 - After reducing the fraction, the answer is 25/12
- In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-4/24 45/20-8/24 45/40-4/24 45/20-4/48 45/20-12/24 45/60-4/24 45/20-4/72 45/20-20/24 45/20-28/24