Add 24/21 and 6/12
1st number: 1 3/21, 2nd number: 6/12
24/21 + 6/12 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
24/21 = 24 × 4/21 × 4 = 96/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Add the two like fractions:
96/84 + 42/84 = 96 + 42/84 = 138/84 - 138/84 simplified gives 23/14
- So, 24/21 + 6/12 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21+6/12 24/42+6/12 24/21+6/24 72/21+6/12 24/21+18/12 24/63+6/12 24/21+6/36 24/21+30/12 24/21+6/60 24/21+42/12 24/21+6/84