Add 28/5 and 20/30
1st number: 5 3/5, 2nd number: 20/30
28/5 + 20/30 is 94/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
28/5 = 28 × 6/5 × 6 = 168/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Add the two like fractions:
168/30 + 20/30 = 168 + 20/30 = 188/30 - 188/30 simplified gives 94/15
- So, 28/5 + 20/30 = 94/15
In mixed form: 64/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+20/30 28/5+40/30 28/10+20/30 28/5+20/60 84/5+20/30 28/5+60/30 28/15+20/30 28/5+20/90 28/25+20/30 28/35+20/30