Add 6/16 and 40/81
6/16 + 40/81 is 563/648.
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,
40/81 = 40 × 16/81 × 16 = 640/1296 - Add the two like fractions:
486/1296 + 640/1296 = 486 + 640/1296 = 1126/1296 - 1126/1296 simplified gives 563/648
- So, 6/16 + 40/81 = 563/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16+40/81 6/16+80/81 6/32+40/81 18/16+40/81 6/48+40/81 30/16+40/81 6/80+40/81 42/16+40/81