Subtract 27/14 from 63/18, Solve 3 9/18

Subtract 27/14 from 63/18

1^st number: 3 9/18, 2^nd number: 1 13/14

63/18 - 27/14 is 11/7.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
63/18 = 63 × 7/18 × 7 = 441/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
27/14 = 27 × 9/14 × 9 = 243/126
Subtract the two like fractions:
441/126 - 243/126 = 441 - 243/126 = 198/126
After reducing the fraction, the answer is 11/7
In mixed form: 14/7

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