Add 14/15 and 8/28
14/15 + 8/28 is 128/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
14/15 = 14 × 28/15 × 28 = 392/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
8/28 = 8 × 15/28 × 15 = 120/420 - Add the two like fractions:
392/420 + 120/420 = 392 + 120/420 = 512/420 - 512/420 simplified gives 128/105
- So, 14/15 + 8/28 = 128/105
In mixed form: 123/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15+8/28 14/15+16/28 14/30+8/28 14/15+8/56 42/15+8/28 14/15+24/28 14/45+8/28 14/15+8/84 70/15+8/28 14/15+40/28 14/75+8/28 98/15+8/28 14/15+56/28