Subtract 49/30 from 6/84, Solve 6/84

Subtract 49/30 from 6/84

1^st number: 6/84, 2^nd number: 1 19/30

6/84 - 49/30 is -164/105.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
49/30 = 49 × 14/30 × 14 = 686/420
Subtract the two like fractions:
30/420 - 686/420 = 30 - 686/420 = -656/420
After reducing the fraction, the answer is -164/105

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