Answers

Subtract 90/10 from 45/16

1^st number: 2 13/16, 2^nd number: 9 0/10

45/16 - 90/10 is -99/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   45/16 = 45 × 5/16 × 5 = 225/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   90/10 = 90 × 8/10 × 8 = 720/80
4. Subtract the two like fractions:
   225/80 - 720/80 = 225 - 720/80 = -495/80
5. After reducing the fraction, the answer is -99/16

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