Add 1/45 and 6/81
1/45 + 6/81 is 13/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
1/45 = 1 × 9/45 × 9 = 9/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
6/81 = 6 × 5/81 × 5 = 30/405 - Add the two like fractions:
9/405 + 30/405 = 9 + 30/405 = 39/405 - 39/405 simplified gives 13/135
- So, 1/45 + 6/81 = 13/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+6/81 1/45+12/81 1/90+6/81 3/45+6/81 1/45+18/81 5/45+6/81 1/45+30/81 7/45+6/81 1/45+42/81