Add 72/63 and 15/24
1st number: 1 9/63, 2nd number: 15/24
72/63 + 15/24 is 99/56.
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,
72/63 = 72 × 8/63 × 8 = 576/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
15/24 = 15 × 21/24 × 21 = 315/504 - Add the two like fractions:
576/504 + 315/504 = 576 + 315/504 = 891/504 - 891/504 simplified gives 99/56
- So, 72/63 + 15/24 = 99/56
In mixed form: 143/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+30/24 72/63+15/48 72/63+45/24 72/63+15/72 72/63+75/24