Add 21/63 and 6/24
21/63 + 6/24 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
6/24 = 6 × 21/24 × 21 = 126/504 - Add the two like fractions:
168/504 + 126/504 = 168 + 126/504 = 294/504 - 294/504 simplified gives 7/12
- So, 21/63 + 6/24 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63+6/24 21/63+12/24 21/63+6/48 21/63+18/24 21/63+6/72 21/63+30/24 21/63+42/24