Subtract 1/49 from 18/84, Solve 18/84

Subtract 1/49 from 18/84

18/84 - 1/49 is 19/98.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 84 × 7 = 588,
18/84 = 18 × 7/84 × 7 = 126/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
1/49 = 1 × 12/49 × 12 = 12/588
Subtract the two like fractions:
126/588 - 12/588 = 126 - 12/588 = 114/588
After reducing the fraction, the answer is 19/98

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