Add 5/30 and 18/9
1st number: 5/30, 2nd number: 2 0/9
5/30 + 18/9 is 13/6.
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,
5/30 = 5 × 3/30 × 3 = 15/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
15/90 + 180/90 = 15 + 180/90 = 195/90 - 195/90 simplified gives 13/6
- So, 5/30 + 18/9 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+18/9 5/30+36/9 5/60+18/9 15/30+18/9 5/30+54/9 5/90+18/9 5/30+18/27 25/30+18/9 5/30+90/9 5/30+18/45 35/30+18/9 5/30+18/63