Add 5/21 and 30/6
1st number: 5/21, 2nd number: 5 0/6
5/21 + 30/6 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
5/21 = 5 × 2/21 × 2 = 10/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
30/6 = 30 × 7/6 × 7 = 210/42 - Add the two like fractions:
10/42 + 210/42 = 10 + 210/42 = 220/42 - 220/42 simplified gives 110/21
- So, 5/21 + 30/6 = 110/21
In mixed form: 55/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+30/6 5/21+60/6 5/42+30/6 5/21+30/12 15/21+30/6 5/21+90/6 5/63+30/6 5/21+30/18 25/21+30/6 35/21+30/6 5/21+30/42