Subtract 9/28 from 12/27
12/27 - 9/28 is 31/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
12/27 = 12 × 28/27 × 28 = 336/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
9/28 = 9 × 27/28 × 27 = 243/756 - Subtract the two like fractions:
336/756 - 243/756 = 336 - 243/756 = 93/756 - After reducing the fraction, the answer is 31/252
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