Add 10/30 and 27/18
1st number: 10/30, 2nd number: 1 9/18
10/30 + 27/18 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
10/30 = 10 × 3/30 × 3 = 30/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Add the two like fractions:
30/90 + 135/90 = 30 + 135/90 = 165/90 - 165/90 simplified gives 11/6
- So, 10/30 + 27/18 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+27/18 10/30+54/18 10/60+27/18 10/30+27/36 10/30+81/18 10/90+27/18 10/30+27/54 50/30+27/18 10/30+27/90 70/30+27/18