Add 24/63 and 21/4
1st number: 24/63, 2nd number: 5 1/4
24/63 + 21/4 is 473/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
24/63 = 24 × 4/63 × 4 = 96/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
21/4 = 21 × 63/4 × 63 = 1323/252 - Add the two like fractions:
96/252 + 1323/252 = 96 + 1323/252 = 1419/252 - 1419/252 simplified gives 473/84
- So, 24/63 + 21/4 = 473/84
In mixed form: 553/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/63+21/4 24/63+42/4 24/63+21/8 72/63+21/4 24/63+63/4 24/63+21/12 24/63+21/20 24/63+21/28