Add 27/18 and 10/28
1st number: 1 9/18, 2nd number: 10/28
27/18 + 10/28 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
27/18 = 27 × 14/18 × 14 = 378/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Add the two like fractions:
378/252 + 90/252 = 378 + 90/252 = 468/252 - 468/252 simplified gives 13/7
- So, 27/18 + 10/28 = 13/7
In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+10/28 27/18+20/28 27/36+10/28 27/18+10/56 81/18+10/28 27/18+30/28 27/54+10/28 27/18+10/84 27/18+50/28 27/90+10/28 27/18+70/28