Add 18/72 and 7/36
18/72 + 7/36 is 4/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 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 36 × 2 = 72,
7/36 = 7 × 2/36 × 2 = 14/72 - Add the two like fractions:
18/72 + 14/72 = 18 + 14/72 = 32/72 - 32/72 simplified gives 4/9
- So, 18/72 + 7/36 = 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+7/36 18/72+14/36 18/72+7/72 54/72+7/36 18/72+21/36 90/72+7/36 18/72+35/36 18/72+49/36