Add 63/12 and 35/15
1st number: 5 3/12, 2nd number: 2 5/15
63/12 + 35/15 is 91/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
35/15 = 35 × 4/15 × 4 = 140/60 - Add the two like fractions:
315/60 + 140/60 = 315 + 140/60 = 455/60 - 455/60 simplified gives 91/12
- So, 63/12 + 35/15 = 91/12
In mixed form: 77/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+70/15 63/24+35/15 63/12+35/30 63/36+35/15 63/12+35/45 63/60+35/15 63/12+35/75 63/84+35/15