Subtract 30/20 from 7/24
1st number: 7/24, 2nd number: 1 10/20
7/24 - 30/20 is -29/24.
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,
7/24 = 7 × 5/24 × 5 = 35/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
30/20 = 30 × 6/20 × 6 = 180/120 - Subtract the two like fractions:
35/120 - 180/120 = 35 - 180/120 = -145/120 - After reducing the fraction, the answer is -29/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24-30/20 7/24-60/20 7/48-30/20 7/24-30/40 21/24-30/20 7/24-90/20 7/72-30/20 7/24-30/60 35/24-30/20 49/24-30/20