Add 28/8 and 15/63
1st number: 3 4/8, 2nd number: 15/63
28/8 + 15/63 is 157/42.
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,
15/63 = 15 × 8/63 × 8 = 120/504 - Add the two like fractions:
1764/504 + 120/504 = 1764 + 120/504 = 1884/504 - 1884/504 simplified gives 157/42
- So, 28/8 + 15/63 = 157/42
In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+15/63 28/8+30/63 28/16+15/63 84/8+15/63 28/8+45/63 28/24+15/63 28/8+75/63 28/40+15/63 28/56+15/63