Subtract 20/81 from 84/6
1st number: 14 0/6, 2nd number: 20/81
84/6 - 20/81 is 1114/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
84/6 = 84 × 27/6 × 27 = 2268/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
20/81 = 20 × 2/81 × 2 = 40/162 - Subtract the two like fractions:
2268/162 - 40/162 = 2268 - 40/162 = 2228/162 - After reducing the fraction, the answer is 1114/81
- In mixed form: 1361/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-40/81 84/12-20/81 84/6-60/81 84/18-20/81 84/30-20/81 84/42-20/81