Add 5/15 and 27/54
5/15 + 27/54 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
5/15 = 5 × 18/15 × 18 = 90/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Add the two like fractions:
90/270 + 135/270 = 90 + 135/270 = 225/270 - 225/270 simplified gives 5/6
- So, 5/15 + 27/54 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+27/54 5/30+27/54 5/15+81/54 5/45+27/54 25/15+27/54 5/75+27/54 35/15+27/54