Subtract 21/81 from 50/14, Solve 3 8/14

Subtract 21/81 from 50/14

1^st number: 3 8/14, 2^nd number: 21/81

50/14 - 21/81 is 626/189.

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,
50/14 = 50 × 81/14 × 81 = 4050/1134
Likewise, for the 2nd fraction, since 81 × 14 = 1134,
21/81 = 21 × 14/81 × 14 = 294/1134
Subtract the two like fractions:
4050/1134 - 294/1134 = 4050 - 294/1134 = 3756/1134
After reducing the fraction, the answer is 626/189
In mixed form: 359/189

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