Subtract 18/84 from 4/75
4/75 - 18/84 is -169/1050.
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,
4/75 = 4 × 28/75 × 28 = 112/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
18/84 = 18 × 25/84 × 25 = 450/2100 - Subtract the two like fractions:
112/2100 - 450/2100 = 112 - 450/2100 = -338/2100 - After reducing the fraction, the answer is -169/1050
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