Add 21/5 and 5/30
1st number: 4 1/5, 2nd number: 5/30
21/5 + 5/30 is 131/30.
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,
21/5 = 21 × 6/5 × 6 = 126/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
5/30 = 5 × 1/30 × 1 = 5/30 - Add the two like fractions:
126/30 + 5/30 = 126 + 5/30 = 131/30 - So, 21/5 + 5/30 = 131/30
In mixed form: 411/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5+5/30 21/5+10/30 21/10+5/30 21/5+5/60 63/5+5/30 21/5+15/30 21/15+5/30 21/5+5/90 21/5+25/30 21/25+5/30 21/5+35/30 21/35+5/30