Subtract 80/84 from 9/3, Solve 3 0/3

Subtract 80/84 from 9/3

1^st number: 3 0/3, 2^nd number: 80/84

9/3 - 80/84 is 43/21.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 3 × 28 = 84,
9/3 = 9 × 28/3 × 28 = 252/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
80/84 = 80 × 1/84 × 1 = 80/84
Subtract the two like fractions:
252/84 - 80/84 = 252 - 80/84 = 172/84
After reducing the fraction, the answer is 43/21
In mixed form: 21/21

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