Subtract 3/27 from 9/2, Solve 4 1/2

Subtract 3/27 from 9/2

1^st number: 4 1/2, 2^nd number: 3/27

9/2 - 3/27 is 79/18.

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,
9/2 = 9 × 27/2 × 27 = 243/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
3/27 = 3 × 2/27 × 2 = 6/54
Subtract the two like fractions:
243/54 - 6/54 = 243 - 6/54 = 237/54
After reducing the fraction, the answer is 79/18
In mixed form: 47/18

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