Add 8/9 and 7/72
8/9 + 7/72 is 71/72.
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,
8/9 = 8 × 8/9 × 8 = 64/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
64/72 + 7/72 = 64 + 7/72 = 71/72 - So, 8/9 + 7/72 = 71/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+7/72 8/9+14/72 8/18+7/72 24/9+7/72 8/9+21/72 8/27+7/72 40/9+7/72 8/9+35/72 8/45+7/72 56/9+7/72 8/9+49/72 8/63+7/72