Subtract 18/84 from 4/25
4/25 - 18/84 is -19/350.
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,
4/25 = 4 × 84/25 × 84 = 336/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
18/84 = 18 × 25/84 × 25 = 450/2100 - Subtract the two like fractions:
336/2100 - 450/2100 = 336 - 450/2100 = -114/2100 - After reducing the fraction, the answer is -19/350
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