Subtract 30/10 from 2/15
1st number: 2/15, 2nd number: 3 0/10
2/15 - 30/10 is -43/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 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 10 × 3 = 30,
30/10 = 30 × 3/10 × 3 = 90/30 - Subtract the two like fractions:
4/30 - 90/30 = 4 - 90/30 = -86/30 - After reducing the fraction, the answer is -43/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-30/10 2/15-60/10 2/30-30/10 2/15-30/20 6/15-30/10 2/15-90/10 2/45-30/10 10/15-30/10 2/75-30/10 2/15-30/50 14/15-30/10 2/15-30/70