Add 63/5 and 27/8
1st number: 12 3/5, 2nd number: 3 3/8
63/5 + 27/8 is 639/40.
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,
27/8 = 27 × 5/8 × 5 = 135/40 - Add the two like fractions:
504/40 + 135/40 = 504 + 135/40 = 639/40 - So, 63/5 + 27/8 = 639/40
In mixed form: 1539/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5+54/8 63/10+27/8 63/5+27/16 63/5+81/8 63/15+27/8 63/5+27/24 63/25+27/8 63/5+27/40 63/35+27/8 63/5+27/56