Add 8/28 and 27/15
1st number: 8/28, 2nd number: 1 12/15
8/28 + 27/15 is 73/35.
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,
8/28 = 8 × 15/28 × 15 = 120/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
27/15 = 27 × 28/15 × 28 = 756/420 - Add the two like fractions:
120/420 + 756/420 = 120 + 756/420 = 876/420 - 876/420 simplified gives 73/35
- So, 8/28 + 27/15 = 73/35
In mixed form: 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+27/15 8/28+54/15 8/56+27/15 8/28+27/30 24/28+27/15 8/28+81/15 8/84+27/15 8/28+27/45 40/28+27/15 8/28+27/75 56/28+27/15