Add 9/18 and 8/28
9/18 + 8/28 is 11/14.
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,
9/18 = 9 × 14/18 × 14 = 126/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
8/28 = 8 × 9/28 × 9 = 72/252 - Add the two like fractions:
126/252 + 72/252 = 126 + 72/252 = 198/252 - 198/252 simplified gives 11/14
- So, 9/18 + 8/28 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+16/28 9/36+8/28 9/18+8/56 27/18+8/28 9/18+24/28 9/54+8/28 9/18+8/84 45/18+8/28 9/18+40/28 9/90+8/28 63/18+8/28 9/18+56/28