Subtract 42/12 from 18/75
1st number: 18/75, 2nd number: 3 6/12
18/75 - 42/12 is -163/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300 - Subtract the two like fractions:
72/300 - 1050/300 = 72 - 1050/300 = -978/300 - After reducing the fraction, the answer is -163/50
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