Add 8/15 and 14/28
8/15 + 14/28 is 31/30.
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,
8/15 = 8 × 28/15 × 28 = 224/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
14/28 = 14 × 15/28 × 15 = 210/420 - Add the two like fractions:
224/420 + 210/420 = 224 + 210/420 = 434/420 - 434/420 simplified gives 31/30
- So, 8/15 + 14/28 = 31/30
In mixed form: 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+14/28 8/30+14/28 8/15+14/56 24/15+14/28 8/15+42/28 8/45+14/28 8/15+14/84 40/15+14/28 8/15+70/28 8/75+14/28 56/15+14/28 8/15+98/28