Subtract 18/63 from 27/4, Solve 6 3/4

Subtract 18/63 from 27/4

1^st number: 6 3/4, 2^nd number: 18/63

27/4 - 18/63 is 181/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 4 × 63 = 252,
27/4 = 27 × 63/4 × 63 = 1701/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252
Subtract the two like fractions:
1701/252 - 72/252 = 1701 - 72/252 = 1629/252
After reducing the fraction, the answer is 181/28
In mixed form: 613/28

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