Subtract 54/27 from 15/2, Solve 7 1/2

Subtract 54/27 from 15/2

1^st number: 7 1/2, 2^nd number: 2 0/27

15/2 - 54/27 is 11/2.

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,
15/2 = 15 × 27/2 × 27 = 405/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
54/27 = 54 × 2/27 × 2 = 108/54
Subtract the two like fractions:
405/54 - 108/54 = 405 - 108/54 = 297/54
After reducing the fraction, the answer is 11/2
In mixed form: 51/2

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