Add 72/3 and 18/90
1st number: 24 0/3, 2nd number: 18/90
72/3 + 18/90 is 121/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
72/3 = 72 × 30/3 × 30 = 2160/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Add the two like fractions:
2160/90 + 18/90 = 2160 + 18/90 = 2178/90 - 2178/90 simplified gives 121/5
- So, 72/3 + 18/90 = 121/5
In mixed form: 241/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3+36/90 72/6+18/90 72/3+54/90 72/9+18/90 72/15+18/90 72/21+18/90