Add 80/84 and 28/16
1st number: 80/84, 2nd number: 1 12/16
80/84 + 28/16 is 227/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
80/84 = 80 × 4/84 × 4 = 320/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
28/16 = 28 × 21/16 × 21 = 588/336 - Add the two like fractions:
320/336 + 588/336 = 320 + 588/336 = 908/336 - 908/336 simplified gives 227/84
- So, 80/84 + 28/16 = 227/84
In mixed form: 259/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+56/16 80/84+28/32 80/84+84/16 80/84+28/48 80/84+28/80