Add 81/50 and 28/81
1st number: 1 31/50, 2nd number: 28/81
81/50 + 28/81 is 7961/4050.
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,
81/50 = 81 × 81/50 × 81 = 6561/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
28/81 = 28 × 50/81 × 50 = 1400/4050 - Add the two like fractions:
6561/4050 + 1400/4050 = 6561 + 1400/4050 = 7961/4050 - So, 81/50 + 28/81 = 7961/4050
In mixed form: 13911/4050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50+56/81 81/50+84/81