Subtract 1/81 from 14/28, Solve 14/28

Subtract 1/81 from 14/28

14/28 - 1/81 is 79/162.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268

Next, find the equivalent fraction of both fractional numbers with denominator 2268
For the 1st fraction, since 28 × 81 = 2268,
14/28 = 14 × 81/28 × 81 = 1134/2268
Likewise, for the 2nd fraction, since 81 × 28 = 2268,
1/81 = 1 × 28/81 × 28 = 28/2268
Subtract the two like fractions:
1134/2268 - 28/2268 = 1134 - 28/2268 = 1106/2268
After reducing the fraction, the answer is 79/162

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