Answers

Subtract 27/5 from 15/80

1^st number: 15/80, 2^nd number: 5 2/5

15/80 - 27/5 is -417/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 5 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   15/80 = 15 × 1/80 × 1 = 15/80
3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
   27/5 = 27 × 16/5 × 16 = 432/80
4. Subtract the two like fractions:
   15/80 - 432/80 = 15 - 432/80 = -417/80

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