Add 15/81 and 8/16
15/81 + 8/16 is 37/54.
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,
8/16 = 8 × 81/16 × 81 = 648/1296 - Add the two like fractions:
240/1296 + 648/1296 = 240 + 648/1296 = 888/1296 - 888/1296 simplified gives 37/54
- So, 15/81 + 8/16 = 37/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/81+8/16 15/81+8/32 45/81+8/16 15/81+24/16 15/81+8/48 75/81+8/16 15/81+40/16 15/81+8/80 15/81+56/16