Add 28/5 and 12/16
1st number: 5 3/5, 2nd number: 12/16
28/5 + 12/16 is 127/20.
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,
12/16 = 12 × 5/16 × 5 = 60/80 - Add the two like fractions:
448/80 + 60/80 = 448 + 60/80 = 508/80 - 508/80 simplified gives 127/20
- So, 28/5 + 12/16 = 127/20
In mixed form: 67/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+12/16 28/5+24/16 28/10+12/16 28/5+12/32 84/5+12/16 28/5+36/16 28/15+12/16 28/5+12/48 28/5+60/16 28/25+12/16 28/5+12/80 28/5+84/16 28/35+12/16