Add 20/81 and 98/36
1st number: 20/81, 2nd number: 2 26/36
20/81 + 98/36 is 481/162.
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,
20/81 = 20 × 4/81 × 4 = 80/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
98/36 = 98 × 9/36 × 9 = 882/324 - Add the two like fractions:
80/324 + 882/324 = 80 + 882/324 = 962/324 - 962/324 simplified gives 481/162
- So, 20/81 + 98/36 = 481/162
In mixed form: 2157/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/81+98/36 20/81+98/72 60/81+98/36