Add 9/18 and 9/84
9/18 + 9/84 is 17/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 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 84 × 3 = 252,
9/84 = 9 × 3/84 × 3 = 27/252 - Add the two like fractions:
126/252 + 27/252 = 126 + 27/252 = 153/252 - 153/252 simplified gives 17/28
- So, 9/18 + 9/84 = 17/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+18/84 9/36+9/84 27/18+9/84 9/18+27/84 9/54+9/84 45/18+9/84 9/18+45/84 9/90+9/84 63/18+9/84 9/18+63/84