Subtract 84/4 from 3/27, Solve 3/27

Subtract 84/4 from 3/27

1^st number: 3/27, 2^nd number: 21 0/4

3/27 - 84/4 is -188/9.

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,
3/27 = 3 × 4/27 × 4 = 12/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
84/4 = 84 × 27/4 × 27 = 2268/108
Subtract the two like fractions:
12/108 - 2268/108 = 12 - 2268/108 = -2256/108
After reducing the fraction, the answer is -188/9

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