Add 5/9 and 4/72
5/9 + 4/72 is 11/18.
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,
5/9 = 5 × 8/9 × 8 = 40/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Add the two like fractions:
40/72 + 4/72 = 40 + 4/72 = 44/72 - 44/72 simplified gives 11/18
- So, 5/9 + 4/72 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9+4/72 5/9+8/72 5/18+4/72 15/9+4/72 5/9+12/72 5/27+4/72 25/9+4/72 5/9+20/72 5/45+4/72 35/9+4/72 5/9+28/72 5/63+4/72