Subtract 30/20 from 4/24
1st number: 4/24, 2nd number: 1 10/20
4/24 - 30/20 is -4/3.
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,
4/24 = 4 × 5/24 × 5 = 20/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
30/20 = 30 × 6/20 × 6 = 180/120 - Subtract the two like fractions:
20/120 - 180/120 = 20 - 180/120 = -160/120 - After reducing the fraction, the answer is -4/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/24-30/20 4/24-60/20 4/48-30/20 4/24-30/40 12/24-30/20 4/24-90/20 4/72-30/20 4/24-30/60 20/24-30/20 28/24-30/20