Add 63/15 and 15/45
1st number: 4 3/15, 2nd number: 15/45
63/15 + 15/45 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
63/15 = 63 × 3/15 × 3 = 189/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Add the two like fractions:
189/45 + 15/45 = 189 + 15/45 = 204/45 - 204/45 simplified gives 68/15
- So, 63/15 + 15/45 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+30/45 63/30+15/45 63/15+15/90 63/45+15/45 63/15+75/45 63/75+15/45