Add 63/15 and 56/18
1st number: 4 3/15, 2nd number: 3 2/18
63/15 + 56/18 is 329/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
63/15 = 63 × 6/15 × 6 = 378/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Add the two like fractions:
378/90 + 280/90 = 378 + 280/90 = 658/90 - 658/90 simplified gives 329/45
- So, 63/15 + 56/18 = 329/45
In mixed form: 714/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+56/18 63/15+56/36 63/45+56/18 63/15+56/54 63/75+56/18 63/15+56/90