Add 1/18 and 1/72
1/18 + 1/72 is 5/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
1/18 = 1 × 4/18 × 4 = 4/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Add the two like fractions:
4/72 + 1/72 = 4 + 1/72 = 5/72 - So, 1/18 + 1/72 = 5/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+1/72 1/18+2/72 1/36+1/72 3/18+1/72 1/18+3/72 1/54+1/72 5/18+1/72 1/18+5/72 1/90+1/72 7/18+1/72 1/18+7/72