Subtract 21/84 from 8/3, Solve 2 2/3

Subtract 21/84 from 8/3

1^st number: 2 2/3, 2^nd number: 21/84

8/3 - 21/84 is 29/12.

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,
8/3 = 8 × 28/3 × 28 = 224/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84
Subtract the two like fractions:
224/84 - 21/84 = 224 - 21/84 = 203/84
After reducing the fraction, the answer is 29/12
In mixed form: 25/12

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