Answers

Subtract 25/84 from 84/20

1^st number: 4 4/20, 2^nd number: 25/84

84/20 - 25/84 is 1639/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   84/20 = 84 × 21/20 × 21 = 1764/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   25/84 = 25 × 5/84 × 5 = 125/420
4. Subtract the two like fractions:
   1764/420 - 125/420 = 1764 - 125/420 = 1639/420
5. In mixed form: 3379/420

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