Add 81/56 and 21/50
1st number: 1 25/56, 2nd number: 21/50
81/56 + 21/50 is 2613/1400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
81/56 = 81 × 25/56 × 25 = 2025/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Add the two like fractions:
2025/1400 + 588/1400 = 2025 + 588/1400 = 2613/1400 - So, 81/56 + 21/50 = 2613/1400
In mixed form: 11213/1400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/56+42/50 81/56+63/50