Add 18/3 and 9/72
1st number: 6 0/3, 2nd number: 9/72
18/3 + 9/72 is 49/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
18/3 = 18 × 24/3 × 24 = 432/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Add the two like fractions:
432/72 + 9/72 = 432 + 9/72 = 441/72 - 441/72 simplified gives 49/8
- So, 18/3 + 9/72 = 49/8
In mixed form: 61/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+9/72 18/3+18/72 18/6+9/72 54/3+9/72 18/3+27/72 18/9+9/72 90/3+9/72 18/3+45/72 18/15+9/72 18/3+63/72 18/21+9/72