Add 7/3 and 81/72
1st number: 2 1/3, 2nd number: 1 9/72
7/3 + 81/72 is 83/24.
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,
7/3 = 7 × 24/3 × 24 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Add the two like fractions:
168/72 + 81/72 = 168 + 81/72 = 249/72 - 249/72 simplified gives 83/24
- So, 7/3 + 81/72 = 83/24
In mixed form: 311/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3+81/72 7/6+81/72 21/3+81/72 7/9+81/72 35/3+81/72 7/15+81/72 49/3+81/72 7/21+81/72