Add 42/50 and 56/81
42/50 + 56/81 is 3101/2025.
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,
42/50 = 42 × 81/50 × 81 = 3402/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
56/81 = 56 × 50/81 × 50 = 2800/4050 - Add the two like fractions:
3402/4050 + 2800/4050 = 3402 + 2800/4050 = 6202/4050 - 6202/4050 simplified gives 3101/2025
- So, 42/50 + 56/81 = 3101/2025
In mixed form: 11076/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50+56/81