Subtract 28/40 from 10/24
10/24 - 28/40 is -17/60.
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,
10/24 = 10 × 5/24 × 5 = 50/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Subtract the two like fractions:
50/120 - 84/120 = 50 - 84/120 = -34/120 - After reducing the fraction, the answer is -17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/24-28/40 10/24-56/40 10/48-28/40 10/24-28/80 30/24-28/40 10/24-84/40 10/72-28/40 50/24-28/40 70/24-28/40