Answers

Subtract 20/84 from 84/5

1^st number: 16 4/5, 2^nd number: 20/84

84/5 - 20/84 is 1739/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 5 × 84 = 420,
   84/5 = 84 × 84/5 × 84 = 7056/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   20/84 = 20 × 5/84 × 5 = 100/420
4. Subtract the two like fractions:
   7056/420 - 100/420 = 7056 - 100/420 = 6956/420
5. After reducing the fraction, the answer is 1739/105
6. In mixed form: 1659/105

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