Add 15/81 and 6/8
15/81 + 6/8 is 101/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
15/81 = 15 × 8/81 × 8 = 120/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
6/8 = 6 × 81/8 × 81 = 486/648 - Add the two like fractions:
120/648 + 486/648 = 120 + 486/648 = 606/648 - 606/648 simplified gives 101/108
- So, 15/81 + 6/8 = 101/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/81+6/8 15/81+12/8 15/81+6/16 45/81+6/8 15/81+18/8 15/81+6/24 75/81+6/8 15/81+30/8 15/81+6/40 15/81+42/8 15/81+6/56