Subtract 6/81 from 24/18
1st number: 1 6/18, 2nd number: 6/81
24/18 - 6/81 is 34/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
24/18 = 24 × 9/18 × 9 = 216/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
6/81 = 6 × 2/81 × 2 = 12/162 - Subtract the two like fractions:
216/162 - 12/162 = 216 - 12/162 = 204/162 - After reducing the fraction, the answer is 34/27
- In mixed form: 17/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/18-6/81 24/18-12/81 24/36-6/81 72/18-6/81 24/18-18/81 24/54-6/81 24/18-30/81 24/90-6/81 24/18-42/81