Add 63/15 and 18/5
1st number: 4 3/15, 2nd number: 3 3/5
63/15 + 18/5 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
63/15 = 63 × 1/15 × 1 = 63/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
18/5 = 18 × 3/5 × 3 = 54/15 - Add the two like fractions:
63/15 + 54/15 = 63 + 54/15 = 117/15 - 117/15 simplified gives 39/5
- So, 63/15 + 18/5 = 39/5
In mixed form: 74/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+36/5 63/30+18/5 63/15+18/10 63/15+54/5 63/45+18/5 63/15+18/15 63/15+90/5 63/75+18/5 63/15+18/25 63/15+18/35