Subtract 8/25 from 3/12
3/12 - 8/25 is -7/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
8/25 = 8 × 12/25 × 12 = 96/300 - Subtract the two like fractions:
75/300 - 96/300 = 75 - 96/300 = -21/300 - After reducing the fraction, the answer is -7/100
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