Add 8/72 and 9/18
8/72 + 9/18 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
9/18 = 9 × 4/18 × 4 = 36/72 - Add the two like fractions:
8/72 + 36/72 = 8 + 36/72 = 44/72 - 44/72 simplified gives 11/18
- So, 8/72 + 9/18 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+9/18 8/72+9/36 24/72+9/18 8/72+27/18 8/72+9/54 40/72+9/18 8/72+45/18 8/72+9/90 56/72+9/18 8/72+63/18