Add 10/18 and 63/15
1st number: 10/18, 2nd number: 4 3/15
10/18 + 63/15 is 214/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
63/15 = 63 × 6/15 × 6 = 378/90 - Add the two like fractions:
50/90 + 378/90 = 50 + 378/90 = 428/90 - 428/90 simplified gives 214/45
- So, 10/18 + 63/15 = 214/45
In mixed form: 434/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+63/15 10/36+63/15 10/18+63/30 30/18+63/15 10/54+63/15 10/18+63/45 50/18+63/15 10/90+63/15 10/18+63/75 70/18+63/15