Subtract 30/84 from 3/75
3/75 - 30/84 is -111/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
3/75 = 3 × 28/75 × 28 = 84/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
30/84 = 30 × 25/84 × 25 = 750/2100 - Subtract the two like fractions:
84/2100 - 750/2100 = 84 - 750/2100 = -666/2100 - After reducing the fraction, the answer is -111/350
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