Add 4/72 and 3/9
4/72 + 3/9 is 7/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
3/9 = 3 × 8/9 × 8 = 24/72 - Add the two like fractions:
4/72 + 24/72 = 4 + 24/72 = 28/72 - 28/72 simplified gives 7/18
- So, 4/72 + 3/9 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+3/9 4/72+6/9 4/72+3/18 12/72+3/9 4/72+3/27 20/72+3/9 4/72+15/9 4/72+3/45 28/72+3/9 4/72+21/9 4/72+3/63