Subtract 84/81 from 18/14
1st number: 1 4/14, 2nd number: 1 3/81
18/14 - 84/81 is 47/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
18/14 = 18 × 81/14 × 81 = 1458/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
84/81 = 84 × 14/81 × 14 = 1176/1134 - Subtract the two like fractions:
1458/1134 - 1176/1134 = 1458 - 1176/1134 = 282/1134 - After reducing the fraction, the answer is 47/189
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