Subtract 8/15 from 4/10
4/10 - 8/15 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
8/15 = 8 × 2/15 × 2 = 16/30 - Subtract the two like fractions:
12/30 - 16/30 = 12 - 16/30 = -4/30 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-8/15 4/10-16/15 4/20-8/15 4/10-8/30 12/10-8/15 4/10-24/15 4/30-8/15 4/10-8/45 20/10-8/15 4/10-40/15 4/50-8/15 4/10-8/75 28/10-8/15 4/10-56/15 4/70-8/15