Add 28/5 and 63/16
1st number: 5 3/5, 2nd number: 3 15/16
28/5 + 63/16 is 763/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
28/5 = 28 × 16/5 × 16 = 448/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
63/16 = 63 × 5/16 × 5 = 315/80 - Add the two like fractions:
448/80 + 315/80 = 448 + 315/80 = 763/80 - So, 28/5 + 63/16 = 763/80
In mixed form: 943/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+63/16 28/10+63/16 28/5+63/32 84/5+63/16 28/15+63/16 28/5+63/48 28/25+63/16 28/5+63/80 28/35+63/16