Subtract 54/9 from 6/84, Solve 6/84

Subtract 54/9 from 6/84

1^st number: 6/84, 2^nd number: 6 0/9

6/84 - 54/9 is -83/14.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 84 × 3 = 252,
6/84 = 6 × 3/84 × 3 = 18/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
54/9 = 54 × 28/9 × 28 = 1512/252
Subtract the two like fractions:
18/252 - 1512/252 = 18 - 1512/252 = -1494/252
After reducing the fraction, the answer is -83/14

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