Add 63/5 and 25/8
1st number: 12 3/5, 2nd number: 3 1/8
63/5 + 25/8 is 629/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
63/5 = 63 × 8/5 × 8 = 504/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Add the two like fractions:
504/40 + 125/40 = 504 + 125/40 = 629/40 - So, 63/5 + 25/8 = 629/40
In mixed form: 1529/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5+50/8 63/10+25/8 63/5+25/16 63/5+75/8 63/15+25/8 63/5+25/24 63/25+25/8 63/5+25/40 63/35+25/8 63/5+25/56