Subtract 6/81 from 9/3
1st number: 3 0/3, 2nd number: 6/81
9/3 - 6/81 is 79/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
9/3 = 9 × 27/3 × 27 = 243/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
6/81 = 6 × 1/81 × 1 = 6/81 - Subtract the two like fractions:
243/81 - 6/81 = 243 - 6/81 = 237/81 - After reducing the fraction, the answer is 79/27
- In mixed form: 225/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3-6/81 9/3-12/81 9/6-6/81 27/3-6/81 9/3-18/81 45/3-6/81 9/3-30/81 9/15-6/81 63/3-6/81 9/3-42/81 9/21-6/81