Add 64/21 and 7/24
1st number: 3 1/21, 2nd number: 7/24
64/21 + 7/24 is 187/56.
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,
64/21 = 64 × 8/21 × 8 = 512/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Add the two like fractions:
512/168 + 49/168 = 512 + 49/168 = 561/168 - 561/168 simplified gives 187/56
- So, 64/21 + 7/24 = 187/56
In mixed form: 319/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21+14/24 64/42+7/24 64/21+7/48 64/21+21/24 64/63+7/24 64/21+7/72 64/21+35/24 64/21+49/24