Add 63/12 and 25/15
1st number: 5 3/12, 2nd number: 1 10/15
63/12 + 25/15 is 83/12.
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,
25/15 = 25 × 4/15 × 4 = 100/60 - Add the two like fractions:
315/60 + 100/60 = 315 + 100/60 = 415/60 - 415/60 simplified gives 83/12
- So, 63/12 + 25/15 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+50/15 63/24+25/15 63/12+25/30 63/12+75/15 63/36+25/15 63/12+25/45 63/60+25/15 63/12+25/75 63/84+25/15