Subtract 6/81 from 6/15
6/15 - 6/81 is 44/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 15 × 27 = 405,
6/15 = 6 × 27/15 × 27 = 162/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
6/81 = 6 × 5/81 × 5 = 30/405 - Subtract the two like fractions:
162/405 - 30/405 = 162 - 30/405 = 132/405 - After reducing the fraction, the answer is 44/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-6/81 6/15-12/81 6/30-6/81 18/15-6/81 6/15-18/81 6/45-6/81 30/15-6/81 6/15-30/81 6/75-6/81 42/15-6/81 6/15-42/81