Add 27/28 and 18/27
27/28 + 18/27 is 137/84.
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,
27/28 = 27 × 27/28 × 27 = 729/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
18/27 = 18 × 28/27 × 28 = 504/756 - Add the two like fractions:
729/756 + 504/756 = 729 + 504/756 = 1233/756 - 1233/756 simplified gives 137/84
- So, 27/28 + 18/27 = 137/84
In mixed form: 153/84
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