Answers

Subtract 84/5 from 25/90

1^st number: 25/90, 2^nd number: 16 4/5

25/90 - 84/5 is -1487/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 5 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   25/90 = 25 × 1/90 × 1 = 25/90
3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
   84/5 = 84 × 18/5 × 18 = 1512/90
4. Subtract the two like fractions:
   25/90 - 1512/90 = 25 - 1512/90 = -1487/90

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