Add 6/21 and 81/24
1st number: 6/21, 2nd number: 3 9/24
6/21 + 81/24 is 205/56.
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,
6/21 = 6 × 8/21 × 8 = 48/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
81/24 = 81 × 7/24 × 7 = 567/168 - Add the two like fractions:
48/168 + 567/168 = 48 + 567/168 = 615/168 - 615/168 simplified gives 205/56
- So, 6/21 + 81/24 = 205/56
In mixed form: 337/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+81/24 6/42+81/24 6/21+81/48 18/21+81/24 6/63+81/24 6/21+81/72 30/21+81/24 42/21+81/24