Subtract 49/81 from 30/84
30/84 - 49/81 is -281/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
30/84 = 30 × 27/84 × 27 = 810/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
49/81 = 49 × 28/81 × 28 = 1372/2268 - Subtract the two like fractions:
810/2268 - 1372/2268 = 810 - 1372/2268 = -562/2268 - After reducing the fraction, the answer is -281/1134
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