Add 7/28 and 21/27
7/28 + 21/27 is 37/36.
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,
21/27 = 21 × 28/27 × 28 = 588/756 - Add the two like fractions:
189/756 + 588/756 = 189 + 588/756 = 777/756 - 777/756 simplified gives 37/36
- So, 7/28 + 21/27 = 37/36
In mixed form: 11/36
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