Add 63/18 and 18/3
1st number: 3 9/18, 2nd number: 6 0/3
63/18 + 18/3 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
63/18 = 63 × 1/18 × 1 = 63/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
18/3 = 18 × 6/3 × 6 = 108/18 - Add the two like fractions:
63/18 + 108/18 = 63 + 108/18 = 171/18 - 171/18 simplified gives 19/2
- So, 63/18 + 18/3 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+36/3 63/36+18/3 63/18+18/6 63/18+54/3 63/54+18/3 63/18+18/9 63/18+90/3 63/90+18/3 63/18+18/15 63/18+18/21