Add 15/75 and 28/16
1st number: 15/75, 2nd number: 1 12/16
15/75 + 28/16 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
15/75 = 15 × 16/75 × 16 = 240/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
28/16 = 28 × 75/16 × 75 = 2100/1200 - Add the two like fractions:
240/1200 + 2100/1200 = 240 + 2100/1200 = 2340/1200 - 2340/1200 simplified gives 39/20
- So, 15/75 + 28/16 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+28/16 15/75+56/16 15/75+28/32 45/75+28/16 15/75+84/16 15/75+28/48 15/75+28/80