Add 81/36 and 50/42
1st number: 2 9/36, 2nd number: 1 8/42
81/36 + 50/42 is 289/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
50/42 = 50 × 6/42 × 6 = 300/252 - Add the two like fractions:
567/252 + 300/252 = 567 + 300/252 = 867/252 - 867/252 simplified gives 289/84
- So, 81/36 + 50/42 = 289/84
In mixed form: 337/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/72+50/42 81/36+50/84