Add 8/9 and 30/72
8/9 + 30/72 is 47/36.
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,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
64/72 + 30/72 = 64 + 30/72 = 94/72 - 94/72 simplified gives 47/36
- So, 8/9 + 30/72 = 47/36
In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+30/72 8/9+60/72 8/18+30/72 24/9+30/72 8/9+90/72 8/27+30/72 40/9+30/72 8/45+30/72 56/9+30/72 8/63+30/72