Subtract 24/81 from 9/28
9/28 - 24/81 is 19/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
9/28 = 9 × 81/28 × 81 = 729/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
24/81 = 24 × 28/81 × 28 = 672/2268 - Subtract the two like fractions:
729/2268 - 672/2268 = 729 - 672/2268 = 57/2268 - After reducing the fraction, the answer is 19/756
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