Add 2/28 and 27/30
2/28 + 27/30 is 34/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
2/28 = 2 × 15/28 × 15 = 30/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
27/30 = 27 × 14/30 × 14 = 378/420 - Add the two like fractions:
30/420 + 378/420 = 30 + 378/420 = 408/420 - 408/420 simplified gives 34/35
- So, 2/28 + 27/30 = 34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28+27/30 2/28+54/30 2/56+27/30 2/28+27/60 6/28+27/30 2/28+81/30 2/84+27/30 2/28+27/90 10/28+27/30 14/28+27/30