Subtract 36/27 from 81/5
1st number: 16 1/5, 2nd number: 1 9/27
81/5 - 36/27 is 223/15.
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,
36/27 = 36 × 5/27 × 5 = 180/135 - Subtract the two like fractions:
2187/135 - 180/135 = 2187 - 180/135 = 2007/135 - After reducing the fraction, the answer is 223/15
- In mixed form: 1413/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5-72/27 81/10-36/27 81/5-36/54 81/15-36/27 81/5-36/81 81/25-36/27 81/35-36/27