Subtract 5/27 from 81/5
1st number: 16 1/5, 2nd number: 5/27
81/5 - 5/27 is 2162/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
81/5 = 81 × 27/5 × 27 = 2187/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
5/27 = 5 × 5/27 × 5 = 25/135 - Subtract the two like fractions:
2187/135 - 25/135 = 2187 - 25/135 = 2162/135 - In mixed form: 162/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5-10/27 81/10-5/27 81/5-5/54 81/5-15/27 81/15-5/27 81/5-5/81 81/5-25/27 81/25-5/27 81/5-35/27 81/35-5/27