Add 27/50 and 20/81
27/50 + 20/81 is 3187/4050.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
27/50 = 27 × 81/50 × 81 = 2187/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
20/81 = 20 × 50/81 × 50 = 1000/4050 - Add the two like fractions:
2187/4050 + 1000/4050 = 2187 + 1000/4050 = 3187/4050 - So, 27/50 + 20/81 = 3187/4050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/50+20/81 27/50+40/81 81/50+20/81 27/50+60/81