Add 1/18 and 7/28
1/18 + 7/28 is 11/36.
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,
1/18 = 1 × 14/18 × 14 = 14/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Add the two like fractions:
14/252 + 63/252 = 14 + 63/252 = 77/252 - 77/252 simplified gives 11/36
- So, 1/18 + 7/28 = 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+7/28 1/18+14/28 1/36+7/28 1/18+7/56 3/18+7/28 1/18+21/28 1/54+7/28 1/18+7/84 5/18+7/28 1/18+35/28 1/90+7/28 7/18+7/28 1/18+49/28