Answers

Subtract 27/16 from 12/45

1^st number: 12/45, 2^nd number: 1 11/16

12/45 - 27/16 is -341/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 16 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   12/45 = 12 × 16/45 × 16 = 192/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   27/16 = 27 × 45/16 × 45 = 1215/720
4. Subtract the two like fractions:
   192/720 - 1215/720 = 192 - 1215/720 = -1023/720
5. After reducing the fraction, the answer is -341/240

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