Add 56/63 and 81/24
1st number: 56/63, 2nd number: 3 9/24
56/63 + 81/24 is 307/72.
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,
56/63 = 56 × 8/63 × 8 = 448/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
81/24 = 81 × 21/24 × 21 = 1701/504 - Add the two like fractions:
448/504 + 1701/504 = 448 + 1701/504 = 2149/504 - 2149/504 simplified gives 307/72
- So, 56/63 + 81/24 = 307/72
In mixed form: 419/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+81/48 56/63+81/72