Add 72/3 and 30/18
1st number: 24 0/3, 2nd number: 1 12/18
72/3 + 30/18 is 77/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
72/3 = 72 × 6/3 × 6 = 432/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Add the two like fractions:
432/18 + 30/18 = 432 + 30/18 = 462/18 - 462/18 simplified gives 77/3
- So, 72/3 + 30/18 = 77/3
In mixed form: 252/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3+60/18 72/6+30/18 72/3+30/36 72/3+90/18 72/9+30/18 72/3+30/54 72/15+30/18 72/3+30/90 72/21+30/18