Answers

Subtract 1/84 from 21/3

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

21/3 - 1/84 is 587/84.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 3 × 28 = 84,
   21/3 = 21 × 28/3 × 28 = 588/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   1/84 = 1 × 1/84 × 1 = 1/84
4. Subtract the two like fractions:
   588/84 - 1/84 = 588 - 1/84 = 587/84
5. In mixed form: 683/84

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