Subtract 1/3 from 18/84
18/84 - 1/3 is -5/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
1/3 = 1 × 28/3 × 28 = 28/84 - Subtract the two like fractions:
18/84 - 28/84 = 18 - 28/84 = -10/84 - After reducing the fraction, the answer is -5/42
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