Subtract 6/4 from 81/27, Solve 3 0/27

Subtract 6/4 from 81/27

1^st number: 3 0/27, 2^nd number: 1 2/4

81/27 - 6/4 is 3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
81/27 = 81 × 4/27 × 4 = 324/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
6/4 = 6 × 27/4 × 27 = 162/108
Subtract the two like fractions:
324/108 - 162/108 = 324 - 162/108 = 162/108
After reducing the fraction, the answer is 3/2
In mixed form: 11/2

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