Add 27/18 and 70/28
1st number: 1 9/18, 2nd number: 2 14/28
27/18 + 70/28 is 4/1.
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,
70/28 = 70 × 9/28 × 9 = 630/252 - Add the two like fractions:
378/252 + 630/252 = 378 + 630/252 = 1008/252 - 1008/252 simplified gives 4/1
- So, 27/18 + 70/28 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+70/28 27/36+70/28 27/18+70/56 81/18+70/28 27/54+70/28 27/18+70/84 27/90+70/28