Add 9/18 and 2/72
9/18 + 2/72 is 19/36.
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,
9/18 = 9 × 4/18 × 4 = 36/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Add the two like fractions:
36/72 + 2/72 = 36 + 2/72 = 38/72 - 38/72 simplified gives 19/36
- So, 9/18 + 2/72 = 19/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+4/72 9/36+2/72 27/18+2/72 9/18+6/72 9/54+2/72 45/18+2/72 9/18+10/72 9/90+2/72 63/18+2/72 9/18+14/72