Subtract 75/81 from 6/28
6/28 - 75/81 is -269/378.
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,
6/28 = 6 × 81/28 × 81 = 486/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
75/81 = 75 × 28/81 × 28 = 2100/2268 - Subtract the two like fractions:
486/2268 - 2100/2268 = 486 - 2100/2268 = -1614/2268 - After reducing the fraction, the answer is -269/378
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