Add 27/28 and 2/15
27/28 + 2/15 is 461/420.
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,
27/28 = 27 × 15/28 × 15 = 405/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Add the two like fractions:
405/420 + 56/420 = 405 + 56/420 = 461/420 - So, 27/28 + 2/15 = 461/420
In mixed form: 141/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+2/15 27/28+4/15 27/56+2/15 27/28+2/30 81/28+2/15 27/28+6/15 27/84+2/15 27/28+2/45 27/28+10/15 27/28+2/75 27/28+14/15