Add 63/15 and 45/36
1st number: 4 3/15, 2nd number: 1 9/36
63/15 + 45/36 is 109/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
63/15 = 63 × 12/15 × 12 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Add the two like fractions:
756/180 + 225/180 = 756 + 225/180 = 981/180 - 981/180 simplified gives 109/20
- So, 63/15 + 45/36 = 109/20
In mixed form: 59/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+90/36 63/30+45/36 63/15+45/72 63/45+45/36 63/75+45/36