Add 81/8 and 2/81
1st number: 10 1/8, 2nd number: 2/81
81/8 + 2/81 is 6577/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
81/8 = 81 × 81/8 × 81 = 6561/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
2/81 = 2 × 8/81 × 8 = 16/648 - Add the two like fractions:
6561/648 + 16/648 = 6561 + 16/648 = 6577/648 - So, 81/8 + 2/81 = 6577/648
In mixed form: 1097/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8+4/81 81/16+2/81 81/8+6/81 81/24+2/81 81/8+10/81 81/40+2/81 81/8+14/81 81/56+2/81