Answers

Subtract 8/5 from 25/84

1^st number: 25/84, 2^nd number: 1 3/5

25/84 - 8/5 is -547/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   25/84 = 25 × 5/84 × 5 = 125/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   8/5 = 8 × 84/5 × 84 = 672/420
4. Subtract the two like fractions:
   125/420 - 672/420 = 125 - 672/420 = -547/420

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