Add 5/21 and 24/63
5/21 + 24/63 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
5/21 = 5 × 3/21 × 3 = 15/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
24/63 = 24 × 1/63 × 1 = 24/63 - Add the two like fractions:
15/63 + 24/63 = 15 + 24/63 = 39/63 - 39/63 simplified gives 13/21
- So, 5/21 + 24/63 = 13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+24/63 5/21+48/63 5/42+24/63 15/21+24/63 5/21+72/63 5/63+24/63 25/21+24/63 35/21+24/63