Add 7/28 and 9/27
7/28 + 9/27 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
7/28 = 7 × 27/28 × 27 = 189/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
9/27 = 9 × 28/27 × 28 = 252/756 - Add the two like fractions:
189/756 + 252/756 = 189 + 252/756 = 441/756 - 441/756 simplified gives 7/12
- So, 7/28 + 9/27 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+9/27 7/28+18/27 7/56+9/27 7/28+9/54 21/28+9/27 7/84+9/27 7/28+9/81 35/28+9/27 7/28+45/27 49/28+9/27 7/28+63/27