Subtract 21/75 from 54/14, Solve 3 12/14

Subtract 21/75 from 54/14

1^st number: 3 12/14, 2^nd number: 21/75

54/14 - 21/75 is 626/175.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 75 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 14 × 75 = 1050,
54/14 = 54 × 75/14 × 75 = 4050/1050
Likewise, for the 2nd fraction, since 75 × 14 = 1050,
21/75 = 21 × 14/75 × 14 = 294/1050
Subtract the two like fractions:
4050/1050 - 294/1050 = 4050 - 294/1050 = 3756/1050
After reducing the fraction, the answer is 626/175
In mixed form: 3101/175

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