Subtract 45/24 from 50/30
1st number: 1 20/30, 2nd number: 1 21/24
50/30 - 45/24 is -5/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
50/30 = 50 × 4/30 × 4 = 200/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
45/24 = 45 × 5/24 × 5 = 225/120 - Subtract the two like fractions:
200/120 - 225/120 = 200 - 225/120 = -25/120 - After reducing the fraction, the answer is -5/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-90/24 50/60-45/24 50/30-45/48 50/90-45/24 50/30-45/72