Subtract 50/9 from 6/81
1st number: 6/81, 2nd number: 5 5/9
6/81 - 50/9 is -148/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
6/81 = 6 × 1/81 × 1 = 6/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
50/9 = 50 × 9/9 × 9 = 450/81 - Subtract the two like fractions:
6/81 - 450/81 = 6 - 450/81 = -444/81 - After reducing the fraction, the answer is -148/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/81-50/9 6/81-50/18 18/81-50/9 6/81-50/27 30/81-50/9 6/81-50/45 42/81-50/9 6/81-50/63