Add 15/12 and 15/63
1st number: 1 3/12, 2nd number: 15/63
15/12 + 15/63 is 125/84.
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,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
315/252 + 60/252 = 315 + 60/252 = 375/252 - 375/252 simplified gives 125/84
- So, 15/12 + 15/63 = 125/84
In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+15/63 15/12+30/63 15/24+15/63 45/12+15/63 15/12+45/63 15/36+15/63 75/12+15/63 15/12+75/63 15/60+15/63 15/84+15/63