Add 63/18 and 5/15
1st number: 3 9/18, 2nd number: 5/15
63/18 + 5/15 is 23/6.
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,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
5/15 = 5 × 6/15 × 6 = 30/90 - Add the two like fractions:
315/90 + 30/90 = 315 + 30/90 = 345/90 - 345/90 simplified gives 23/6
- So, 63/18 + 5/15 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+10/15 63/36+5/15 63/18+5/30 63/54+5/15 63/18+5/45 63/18+25/15 63/90+5/15 63/18+5/75 63/18+35/15