Answers

Subtract 45/16 from 25/18

1^st number: 1 7/18, 2^nd number: 2 13/16

25/18 - 45/16 is -205/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 18 × 8 = 144,
   25/18 = 25 × 8/18 × 8 = 200/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   45/16 = 45 × 9/16 × 9 = 405/144
4. Subtract the two like fractions:
   200/144 - 405/144 = 200 - 405/144 = -205/144

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