Add 15/81 and 6/16
15/81 + 6/16 is 121/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 16 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
15/81 = 15 × 16/81 × 16 = 240/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
6/16 = 6 × 81/16 × 81 = 486/1296 - Add the two like fractions:
240/1296 + 486/1296 = 240 + 486/1296 = 726/1296 - 726/1296 simplified gives 121/216
- So, 15/81 + 6/16 = 121/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/81+6/16 15/81+12/16 15/81+6/32 45/81+6/16 15/81+18/16 15/81+6/48 75/81+6/16 15/81+30/16 15/81+6/80 15/81+42/16