Add 5/28 and 27/15
1st number: 5/28, 2nd number: 1 12/15
5/28 + 27/15 is 277/140.
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,
5/28 = 5 × 15/28 × 15 = 75/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
27/15 = 27 × 28/15 × 28 = 756/420 - Add the two like fractions:
75/420 + 756/420 = 75 + 756/420 = 831/420 - 831/420 simplified gives 277/140
- So, 5/28 + 27/15 = 277/140
In mixed form: 1137/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28+27/15 5/28+54/15 5/56+27/15 5/28+27/30 15/28+27/15 5/28+81/15 5/84+27/15 5/28+27/45 25/28+27/15 5/28+27/75 35/28+27/15