Add 84/30 and 18/9
1st number: 2 24/30, 2nd number: 2 0/9
84/30 + 18/9 is 24/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
84/30 = 84 × 3/30 × 3 = 252/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
252/90 + 180/90 = 252 + 180/90 = 432/90 - 432/90 simplified gives 24/5
- So, 84/30 + 18/9 = 24/5
In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+36/9 84/60+18/9 84/30+54/9 84/90+18/9 84/30+18/27 84/30+90/9 84/30+18/45 84/30+18/63