Add 7/9 and 9/72
7/9 + 9/72 is 65/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Add the two like fractions:
56/72 + 9/72 = 56 + 9/72 = 65/72 - So, 7/9 + 9/72 = 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+9/72 7/9+18/72 7/18+9/72 21/9+9/72 7/9+27/72 7/27+9/72 35/9+9/72 7/9+45/72 7/45+9/72 49/9+9/72 7/9+63/72 7/63+9/72