Add 28/56 and 12/18
28/56 + 12/18 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
28/56 = 28 × 9/56 × 9 = 252/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
12/18 = 12 × 28/18 × 28 = 336/504 - Add the two like fractions:
252/504 + 336/504 = 252 + 336/504 = 588/504 - 588/504 simplified gives 7/6
- So, 28/56 + 12/18 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+24/18 28/56+12/36 84/56+12/18 28/56+36/18 28/56+12/54 28/56+60/18 28/56+12/90 28/56+84/18