Subtract 3/81 from 4/14, Solve 4/14

Subtract 3/81 from 4/14

4/14 - 3/81 is 47/189.

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,
4/14 = 4 × 81/14 × 81 = 324/1134
Likewise, for the 2nd fraction, since 81 × 14 = 1134,
3/81 = 3 × 14/81 × 14 = 42/1134
Subtract the two like fractions:
324/1134 - 42/1134 = 324 - 42/1134 = 282/1134
After reducing the fraction, the answer is 47/189

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