Add 9/18 and 25/28
9/18 + 25/28 is 39/28.
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,
25/28 = 25 × 9/28 × 9 = 225/252 - Add the two like fractions:
126/252 + 225/252 = 126 + 225/252 = 351/252 - 351/252 simplified gives 39/28
- So, 9/18 + 25/28 = 39/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+50/28 9/36+25/28 9/18+25/56 27/18+25/28 9/18+75/28 9/54+25/28 9/18+25/84 45/18+25/28 9/90+25/28 63/18+25/28