Add 8/81 and 54/5
1st number: 8/81, 2nd number: 10 4/5
8/81 + 54/5 is 4414/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
8/81 = 8 × 5/81 × 5 = 40/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
54/5 = 54 × 81/5 × 81 = 4374/405 - Add the two like fractions:
40/405 + 4374/405 = 40 + 4374/405 = 4414/405 - So, 8/81 + 54/5 = 4414/405
In mixed form: 10364/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/81+54/5 8/81+54/10 24/81+54/5 8/81+54/15 40/81+54/5 8/81+54/25 56/81+54/5 8/81+54/35