Add 5/30 and 15/20
5/30 + 15/20 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Add the two like fractions:
10/60 + 45/60 = 10 + 45/60 = 55/60 - 55/60 simplified gives 11/12
- So, 5/30 + 15/20 = 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+15/20 5/30+30/20 5/60+15/20 5/30+15/40 15/30+15/20 5/30+45/20 5/90+15/20 5/30+15/60 25/30+15/20 5/30+75/20 35/30+15/20