Add 5/81 and 36/45
5/81 + 36/45 is 349/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 45 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
5/81 = 5 × 5/81 × 5 = 25/405 - Likewise, for the 2nd fraction, since 45 × 9 = 405,
36/45 = 36 × 9/45 × 9 = 324/405 - Add the two like fractions:
25/405 + 324/405 = 25 + 324/405 = 349/405 - So, 5/81 + 36/45 = 349/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81+36/45 5/81+72/45 5/81+36/90 15/81+36/45 25/81+36/45 35/81+36/45