Add 30/36 and 75/81
30/36 + 75/81 is 95/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
30/36 = 30 × 9/36 × 9 = 270/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
75/81 = 75 × 4/81 × 4 = 300/324 - Add the two like fractions:
270/324 + 300/324 = 270 + 300/324 = 570/324 - 570/324 simplified gives 95/54
- So, 30/36 + 75/81 = 95/54
In mixed form: 141/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+75/81 30/72+75/81 90/36+75/81