Add 30/5 and 6/21
1st number: 6 0/5, 2nd number: 6/21
30/5 + 6/21 is 44/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
30/5 = 30 × 21/5 × 21 = 630/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
6/21 = 6 × 5/21 × 5 = 30/105 - Add the two like fractions:
630/105 + 30/105 = 630 + 30/105 = 660/105 - 660/105 simplified gives 44/7
- So, 30/5 + 6/21 = 44/7
In mixed form: 62/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5+6/21 30/5+12/21 30/10+6/21 30/5+6/42 90/5+6/21 30/5+18/21 30/15+6/21 30/5+6/63 30/5+30/21 30/25+6/21 30/5+42/21 30/35+6/21