Subtract 48/42 from 12/75, Solve 12/75

Subtract 48/42 from 12/75

1^st number: 12/75, 2^nd number: 1 6/42

12/75 - 48/42 is -172/175.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 75 × 14 = 1050,
12/75 = 12 × 14/75 × 14 = 168/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
48/42 = 48 × 25/42 × 25 = 1200/1050
Subtract the two like fractions:
168/1050 - 1200/1050 = 168 - 1200/1050 = -1032/1050
After reducing the fraction, the answer is -172/175

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