Subtract 2/81 from 5/84
5/84 - 2/81 is 79/2268.
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,
5/84 = 5 × 27/84 × 27 = 135/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
2/81 = 2 × 28/81 × 28 = 56/2268 - Subtract the two like fractions:
135/2268 - 56/2268 = 135 - 56/2268 = 79/2268
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