Add 27/2 and 20/15
1st number: 13 1/2, 2nd number: 1 5/15
27/2 + 20/15 is 89/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
27/2 = 27 × 15/2 × 15 = 405/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Add the two like fractions:
405/30 + 40/30 = 405 + 40/30 = 445/30 - 445/30 simplified gives 89/6
- So, 27/2 + 20/15 = 89/6
In mixed form: 145/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+20/15 27/2+40/15 27/4+20/15 27/2+20/30 81/2+20/15 27/2+60/15 27/6+20/15 27/2+20/45 27/10+20/15 27/2+20/75 27/14+20/15