Add 15/16 and 28/20
1st number: 15/16, 2nd number: 1 8/20
15/16 + 28/20 is 187/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
28/20 = 28 × 4/20 × 4 = 112/80 - Add the two like fractions:
75/80 + 112/80 = 75 + 112/80 = 187/80 - So, 15/16 + 28/20 = 187/80
In mixed form: 227/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16+28/20 15/16+56/20 15/32+28/20 15/16+28/40 45/16+28/20 15/16+84/20 15/48+28/20 15/16+28/60 75/16+28/20 15/80+28/20