Add 56/16 and 15/81
1st number: 3 8/16, 2nd number: 15/81
56/16 + 15/81 is 199/54.
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,
56/16 = 56 × 81/16 × 81 = 4536/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
15/81 = 15 × 16/81 × 16 = 240/1296 - Add the two like fractions:
4536/1296 + 240/1296 = 4536 + 240/1296 = 4776/1296 - 4776/1296 simplified gives 199/54
- So, 56/16 + 15/81 = 199/54
In mixed form: 337/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+30/81 56/32+15/81 56/16+45/81 56/48+15/81 56/16+75/81 56/80+15/81