Subtract 20/84 from 15/6
1st number: 2 3/6, 2nd number: 20/84
15/6 - 20/84 is 95/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
15/6 = 15 × 14/6 × 14 = 210/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
210/84 - 20/84 = 210 - 20/84 = 190/84 - After reducing the fraction, the answer is 95/42
- In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-20/84 15/6-40/84 15/12-20/84 45/6-20/84 15/6-60/84 15/18-20/84 75/6-20/84 15/30-20/84 15/42-20/84