Add 28/8 and 56/63
1st number: 3 4/8, 2nd number: 56/63
28/8 + 56/63 is 79/18.
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,
28/8 = 28 × 63/8 × 63 = 1764/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504 - Add the two like fractions:
1764/504 + 448/504 = 1764 + 448/504 = 2212/504 - 2212/504 simplified gives 79/18
- So, 28/8 + 56/63 = 79/18
In mixed form: 47/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+56/63 28/16+56/63 84/8+56/63 28/24+56/63 28/40+56/63 28/56+56/63