Subtract 8/30 from 2/15
2/15 - 8/30 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
2/15 = 2 × 2/15 × 2 = 4/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
8/30 = 8 × 1/30 × 1 = 8/30 - Subtract the two like fractions:
4/30 - 8/30 = 4 - 8/30 = -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: 4/15-8/30 2/15-16/30 2/30-8/30 2/15-8/60 6/15-8/30 2/15-24/30 2/45-8/30 2/15-8/90 10/15-8/30 2/15-40/30 2/75-8/30 14/15-8/30 2/15-56/30