Subtract 8/20 from 15/6
1st number: 2 3/6, 2nd number: 8/20
15/6 - 8/20 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
15/6 = 15 × 10/6 × 10 = 150/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
8/20 = 8 × 3/20 × 3 = 24/60 - Subtract the two like fractions:
150/60 - 24/60 = 150 - 24/60 = 126/60 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-8/20 15/6-16/20 15/12-8/20 15/6-8/40 45/6-8/20 15/6-24/20 15/18-8/20 15/6-8/60 75/6-8/20 15/6-40/20 15/30-8/20 15/6-56/20 15/42-8/20