Subtract 1/54 from 21/2, Solve 10 1/2

Subtract 1/54 from 21/2

1^st number: 10 1/2, 2^nd number: 1/54

21/2 - 1/54 is 283/27.

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

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 2 × 27 = 54,
21/2 = 21 × 27/2 × 27 = 567/54
Likewise, for the 2nd fraction, since 54 × 1 = 54,
1/54 = 1 × 1/54 × 1 = 1/54
Subtract the two like fractions:
567/54 - 1/54 = 567 - 1/54 = 566/54
After reducing the fraction, the answer is 283/27
In mixed form: 1013/27

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