Add 54/3 and 81/36
1st number: 18 0/3, 2nd number: 2 9/36
54/3 + 81/36 is 81/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
54/3 = 54 × 12/3 × 12 = 648/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Add the two like fractions:
648/36 + 81/36 = 648 + 81/36 = 729/36 - 729/36 simplified gives 81/4
- So, 54/3 + 81/36 = 81/4
In mixed form: 201/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+81/36 54/3+81/72 54/9+81/36 54/15+81/36 54/21+81/36