Add 24/21 and 6/9
1st number: 1 3/21, 2nd number: 6/9
24/21 + 6/9 is 38/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
24/21 = 24 × 3/21 × 3 = 72/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
6/9 = 6 × 7/9 × 7 = 42/63 - Add the two like fractions:
72/63 + 42/63 = 72 + 42/63 = 114/63 - 114/63 simplified gives 38/21
- So, 24/21 + 6/9 = 38/21
In mixed form: 117/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21+6/9 24/21+12/9 24/42+6/9 24/21+6/18 72/21+6/9 24/21+18/9 24/63+6/9 24/21+6/27 24/21+30/9 24/21+6/45 24/21+42/9 24/21+6/63