Add 1/15 and 27/45
1/15 + 27/45 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
1/15 = 1 × 3/15 × 3 = 3/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
27/45 = 27 × 1/45 × 1 = 27/45 - Add the two like fractions:
3/45 + 27/45 = 3 + 27/45 = 30/45 - 30/45 simplified gives 2/3
- So, 1/15 + 27/45 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+27/45 1/15+54/45 1/30+27/45 1/15+27/90 3/15+27/45 1/15+81/45 1/45+27/45 5/15+27/45 1/75+27/45 7/15+27/45