Add 6/8 and 56/81
6/8 + 56/81 is 467/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
6/8 = 6 × 81/8 × 81 = 486/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
56/81 = 56 × 8/81 × 8 = 448/648 - Add the two like fractions:
486/648 + 448/648 = 486 + 448/648 = 934/648 - 934/648 simplified gives 467/324
- So, 6/8 + 56/81 = 467/324
In mixed form: 1143/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+56/81 6/16+56/81 18/8+56/81 6/24+56/81 30/8+56/81 6/40+56/81 42/8+56/81 6/56+56/81