Add 30/21 and 6/24
1st number: 1 9/21, 2nd number: 6/24
30/21 + 6/24 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
30/21 = 30 × 8/21 × 8 = 240/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Add the two like fractions:
240/168 + 42/168 = 240 + 42/168 = 282/168 - 282/168 simplified gives 47/28
- So, 30/21 + 6/24 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+6/24 30/21+12/24 30/42+6/24 30/21+6/48 90/21+6/24 30/21+18/24 30/63+6/24 30/21+6/72 30/21+30/24 30/21+42/24