Add 25/63 and 15/12
1st number: 25/63, 2nd number: 1 3/12
25/63 + 15/12 is 415/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
25/63 = 25 × 4/63 × 4 = 100/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
15/12 = 15 × 21/12 × 21 = 315/252 - Add the two like fractions:
100/252 + 315/252 = 100 + 315/252 = 415/252 - So, 25/63 + 15/12 = 415/252
In mixed form: 1163/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63+15/12 25/63+30/12 25/63+15/24 75/63+15/12 25/63+45/12 25/63+15/36 25/63+75/12 25/63+15/60 25/63+15/84