Subtract 63/27 from 7/2, Solve 3 1/2

Subtract 63/27 from 7/2

1^st number: 3 1/2, 2^nd number: 2 9/27

7/2 - 63/27 is 7/6.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 2 × 27 = 54,
7/2 = 7 × 27/2 × 27 = 189/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
63/27 = 63 × 2/27 × 2 = 126/54
Subtract the two like fractions:
189/54 - 126/54 = 189 - 126/54 = 63/54
After reducing the fraction, the answer is 7/6
In mixed form: 11/6

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