Answers

Subtract 45/16 from 28/10

1^st number: 2 8/10, 2^nd number: 2 13/16

28/10 - 45/16 is -1/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 10 × 8 = 80,
   28/10 = 28 × 8/10 × 8 = 224/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   45/16 = 45 × 5/16 × 5 = 225/80
4. Subtract the two like fractions:
   224/80 - 225/80 = 224 - 225/80 = -1/80

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