Subtract 36/81 from 2/84
2/84 - 36/81 is -53/126.
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,
2/84 = 2 × 27/84 × 27 = 54/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
36/81 = 36 × 28/81 × 28 = 1008/2268 - Subtract the two like fractions:
54/2268 - 1008/2268 = 54 - 1008/2268 = -954/2268 - After reducing the fraction, the answer is -53/126
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