Subtract 27/49 from 12/18, Solve 12/18

Subtract 27/49 from 12/18

12/18 - 27/49 is 17/147.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 18 × 49 = 882,
12/18 = 12 × 49/18 × 49 = 588/882
Likewise, for the 2nd fraction, since 49 × 18 = 882,
27/49 = 27 × 18/49 × 18 = 486/882
Subtract the two like fractions:
588/882 - 486/882 = 588 - 486/882 = 102/882
After reducing the fraction, the answer is 17/147

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