Add 9/28 and 15/27
9/28 + 15/27 is 221/252.
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,
9/28 = 9 × 27/28 × 27 = 243/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
15/27 = 15 × 28/27 × 28 = 420/756 - Add the two like fractions:
243/756 + 420/756 = 243 + 420/756 = 663/756 - 663/756 simplified gives 221/252
- So, 9/28 + 15/27 = 221/252
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