Add 16/28 and 28/15
1st number: 16/28, 2nd number: 1 13/15
16/28 + 28/15 is 256/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
16/28 = 16 × 15/28 × 15 = 240/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
28/15 = 28 × 28/15 × 28 = 784/420 - Add the two like fractions:
240/420 + 784/420 = 240 + 784/420 = 1024/420 - 1024/420 simplified gives 256/105
- So, 16/28 + 28/15 = 256/105
In mixed form: 246/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+28/15 16/28+56/15 16/56+28/15 16/28+28/30 48/28+28/15 16/28+84/15 16/84+28/15 16/28+28/45 80/28+28/15 16/28+28/75