Add 63/8 and 56/63
1st number: 7 7/8, 2nd number: 56/63
63/8 + 56/63 is 631/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
63/8 = 63 × 63/8 × 63 = 3969/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504 - Add the two like fractions:
3969/504 + 448/504 = 3969 + 448/504 = 4417/504 - 4417/504 simplified gives 631/72
- So, 63/8 + 56/63 = 631/72
In mixed form: 855/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+56/63 63/24+56/63 63/40+56/63 63/56+56/63