Answers

Subtract 25/18 from 28/75

1^st number: 28/75, 2^nd number: 1 7/18

28/75 - 25/18 is -457/450.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   28/75 = 28 × 6/75 × 6 = 168/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   25/18 = 25 × 25/18 × 25 = 625/450
4. Subtract the two like fractions:
   168/450 - 625/450 = 168 - 625/450 = -457/450

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