Add 8/15 and 2/28
8/15 + 2/28 is 127/210.
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,
2/28 = 2 × 15/28 × 15 = 30/420 - Add the two like fractions:
224/420 + 30/420 = 224 + 30/420 = 254/420 - 254/420 simplified gives 127/210
- So, 8/15 + 2/28 = 127/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+2/28 8/15+4/28 8/30+2/28 8/15+2/56 24/15+2/28 8/15+6/28 8/45+2/28 8/15+2/84 40/15+2/28 8/15+10/28 8/75+2/28 56/15+2/28 8/15+14/28