Add 7/28 and 1/27
7/28 + 1/27 is 31/108.
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,
1/27 = 1 × 28/27 × 28 = 28/756 - Add the two like fractions:
189/756 + 28/756 = 189 + 28/756 = 217/756 - 217/756 simplified gives 31/108
- So, 7/28 + 1/27 = 31/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+1/27 7/28+2/27 7/56+1/27 7/28+1/54 21/28+1/27 7/28+3/27 7/84+1/27 7/28+1/81 35/28+1/27 7/28+5/27 49/28+1/27 7/28+7/27