Add 18/72 and 1/9
18/72 + 1/9 is 13/36.
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,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
1/9 = 1 × 8/9 × 8 = 8/72 - Add the two like fractions:
18/72 + 8/72 = 18 + 8/72 = 26/72 - 26/72 simplified gives 13/36
- So, 18/72 + 1/9 = 13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+1/9 18/72+2/9 18/72+1/18 54/72+1/9 18/72+3/9 18/72+1/27 90/72+1/9 18/72+5/9 18/72+1/45 18/72+7/9 18/72+1/63