Subtract 20/3 from 15/30
1st number: 15/30, 2nd number: 6 2/3
15/30 - 20/3 is -37/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
20/3 = 20 × 10/3 × 10 = 200/30 - Subtract the two like fractions:
15/30 - 200/30 = 15 - 200/30 = -185/30 - After reducing the fraction, the answer is -37/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-40/3 15/60-20/3 15/30-20/6 45/30-20/3 15/30-60/3 15/90-20/3 15/30-20/9 75/30-20/3 15/30-20/15 15/30-20/21