Subtract 12/42 from 12/75
12/75 - 12/42 is -22/175.
Steps for subtracting fractions
- 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,
12/42 = 12 × 25/42 × 25 = 300/1050 - Subtract the two like fractions:
168/1050 - 300/1050 = 168 - 300/1050 = -132/1050 - After reducing the fraction, the answer is -22/175
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