Add 6/24 and 6/21
6/24 + 6/21 is 15/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
6/21 = 6 × 8/21 × 8 = 48/168 - Add the two like fractions:
42/168 + 48/168 = 42 + 48/168 = 90/168 - 90/168 simplified gives 15/28
- So, 6/24 + 6/21 = 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24+6/21 6/24+12/21 6/48+6/21 6/24+6/42 18/24+6/21 6/24+18/21 6/72+6/21 6/24+6/63 30/24+6/21 6/24+30/21 42/24+6/21 6/24+42/21