Subtract 24/40 from 2/4
2/4 - 24/40 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
2/4 = 2 × 10/4 × 10 = 20/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
24/40 = 24 × 1/40 × 1 = 24/40 - Subtract the two like fractions:
20/40 - 24/40 = 20 - 24/40 = -4/40 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-48/40 2/8-24/40 2/4-24/80 6/4-24/40 2/4-72/40 2/12-24/40 10/4-24/40 2/20-24/40 14/4-24/40 2/28-24/40