Add 5/30 and 20/18
1st number: 5/30, 2nd number: 1 2/18
5/30 + 20/18 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 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 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Add the two like fractions:
15/90 + 100/90 = 15 + 100/90 = 115/90 - 115/90 simplified gives 23/18
- So, 5/30 + 20/18 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+20/18 5/30+40/18 5/60+20/18 5/30+20/36 15/30+20/18 5/30+60/18 5/90+20/18 5/30+20/54 25/30+20/18 5/30+20/90 35/30+20/18