Add 5/16 and 3/81
5/16 + 3/81 is 151/432.
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,
5/16 = 5 × 81/16 × 81 = 405/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
3/81 = 3 × 16/81 × 16 = 48/1296 - Add the two like fractions:
405/1296 + 48/1296 = 405 + 48/1296 = 453/1296 - 453/1296 simplified gives 151/432
- So, 5/16 + 3/81 = 151/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/16+3/81 5/16+6/81 5/32+3/81 15/16+3/81 5/16+9/81 5/48+3/81 25/16+3/81 5/16+15/81 5/80+3/81 35/16+3/81 5/16+21/81