Add 30/21 and 5/6
1st number: 1 9/21, 2nd number: 5/6
30/21 + 5/6 is 95/42.
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,
30/21 = 30 × 2/21 × 2 = 60/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Add the two like fractions:
60/42 + 35/42 = 60 + 35/42 = 95/42 - So, 30/21 + 5/6 = 95/42
In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+5/6 30/21+10/6 30/42+5/6 30/21+5/12 90/21+5/6 30/21+15/6 30/63+5/6 30/21+5/18 30/21+25/6 30/21+5/30 30/21+35/6 30/21+5/42