Add 27/18 and 10/15
1st number: 1 9/18, 2nd number: 10/15
27/18 + 10/15 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
10/15 = 10 × 6/15 × 6 = 60/90 - Add the two like fractions:
135/90 + 60/90 = 135 + 60/90 = 195/90 - 195/90 simplified gives 13/6
- So, 27/18 + 10/15 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+10/15 27/18+20/15 27/36+10/15 27/18+10/30 81/18+10/15 27/18+30/15 27/54+10/15 27/18+10/45 27/18+50/15 27/90+10/15 27/18+10/75 27/18+70/15