Add 6/16 and 56/81
6/16 + 56/81 is 691/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
6/16 = 6 × 81/16 × 81 = 486/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
56/81 = 56 × 16/81 × 16 = 896/1296 - Add the two like fractions:
486/1296 + 896/1296 = 486 + 896/1296 = 1382/1296 - 1382/1296 simplified gives 691/648
- So, 6/16 + 56/81 = 691/648
In mixed form: 143/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16+56/81 6/32+56/81 18/16+56/81 6/48+56/81 30/16+56/81 6/80+56/81 42/16+56/81