Add 27/8 and 63/15
1st number: 3 3/8, 2nd number: 4 3/15
27/8 + 63/15 is 303/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
27/8 = 27 × 15/8 × 15 = 405/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120 - Add the two like fractions:
405/120 + 504/120 = 405 + 504/120 = 909/120 - 909/120 simplified gives 303/40
- So, 27/8 + 63/15 = 303/40
In mixed form: 723/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+63/15 27/16+63/15 27/8+63/30 81/8+63/15 27/24+63/15 27/8+63/45 27/40+63/15 27/8+63/75 27/56+63/15