Add 50/81 and 90/36
1st number: 50/81, 2nd number: 2 18/36
50/81 + 90/36 is 505/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
50/81 = 50 × 4/81 × 4 = 200/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
90/36 = 90 × 9/36 × 9 = 810/324 - Add the two like fractions:
200/324 + 810/324 = 200 + 810/324 = 1010/324 - 1010/324 simplified gives 505/162
- So, 50/81 + 90/36 = 505/162
In mixed form: 319/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/81+90/72