Subtract 15/40 from 2/24
2/24 - 15/40 is -7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
2/24 = 2 × 5/24 × 5 = 10/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Subtract the two like fractions:
10/120 - 45/120 = 10 - 45/120 = -35/120 - After reducing the fraction, the answer is -7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24-15/40 2/24-30/40 2/48-15/40 2/24-15/80 6/24-15/40 2/24-45/40 2/72-15/40 10/24-15/40 2/24-75/40 14/24-15/40