Add 56/81 and 24/45
56/81 + 24/45 is 496/405.
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,
56/81 = 56 × 5/81 × 5 = 280/405 - Likewise, for the 2nd fraction, since 45 × 9 = 405,
24/45 = 24 × 9/45 × 9 = 216/405 - Add the two like fractions:
280/405 + 216/405 = 280 + 216/405 = 496/405 - So, 56/81 + 24/45 = 496/405
In mixed form: 191/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+48/45 56/81+24/90 56/81+72/45