Subtract 6/18 from 30/84
30/84 - 6/18 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
6/18 = 6 × 14/18 × 14 = 84/252 - Subtract the two like fractions:
90/252 - 84/252 = 90 - 84/252 = 6/252 - After reducing the fraction, the answer is 1/42
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