Add 15/12 and 36/63
1st number: 1 3/12, 2nd number: 36/63
15/12 + 36/63 is 51/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
15/12 = 15 × 21/12 × 21 = 315/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
36/63 = 36 × 4/63 × 4 = 144/252 - Add the two like fractions:
315/252 + 144/252 = 315 + 144/252 = 459/252 - 459/252 simplified gives 51/28
- So, 15/12 + 36/63 = 51/28
In mixed form: 123/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+36/63 15/12+72/63 15/24+36/63 45/12+36/63 15/36+36/63 75/12+36/63 15/60+36/63 15/84+36/63