Add 27/3 and 81/72
1st number: 9 0/3, 2nd number: 1 9/72
27/3 + 81/72 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
27/3 = 27 × 24/3 × 24 = 648/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Add the two like fractions:
648/72 + 81/72 = 648 + 81/72 = 729/72 - 729/72 simplified gives 81/8
- So, 27/3 + 81/72 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+81/72 27/6+81/72 81/3+81/72 27/9+81/72 27/15+81/72 27/21+81/72