Subtract 30/9 from 5/84, Solve 5/84

Subtract 30/9 from 5/84

1^st number: 5/84, 2^nd number: 3 3/9

5/84 - 30/9 is -275/84.

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,
5/84 = 5 × 3/84 × 3 = 15/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252
Subtract the two like fractions:
15/252 - 840/252 = 15 - 840/252 = -825/252
After reducing the fraction, the answer is -275/84

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