Subtract 7/84 from 6/2, Solve 3 0/2

Subtract 7/84 from 6/2

1^st number: 3 0/2, 2^nd number: 7/84

6/2 - 7/84 is 35/12.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 2 × 42 = 84,
6/2 = 6 × 42/2 × 42 = 252/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84
Subtract the two like fractions:
252/84 - 7/84 = 252 - 7/84 = 245/84
After reducing the fraction, the answer is 35/12
In mixed form: 211/12

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