Subtract 24/40 from 3/6
3/6 - 24/40 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
3/6 = 3 × 20/6 × 20 = 60/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Subtract the two like fractions:
60/120 - 72/120 = 60 - 72/120 = -12/120 - 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: 3/6-48/40 3/12-24/40 3/6-24/80 9/6-24/40 3/6-72/40 3/18-24/40 15/6-24/40 3/30-24/40 21/6-24/40 3/42-24/40