Subtract 12/84 from 1/25
1/25 - 12/84 is -18/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
1/25 = 1 × 84/25 × 84 = 84/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
12/84 = 12 × 25/84 × 25 = 300/2100 - Subtract the two like fractions:
84/2100 - 300/2100 = 84 - 300/2100 = -216/2100 - After reducing the fraction, the answer is -18/175
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