Answers

Subtract 28/10 from 25/16

1^st number: 1 9/16, 2^nd number: 2 8/10

25/16 - 28/10 is -99/80.

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,
   25/16 = 25 × 5/16 × 5 = 125/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   28/10 = 28 × 8/10 × 8 = 224/80
4. Subtract the two like fractions:
   125/80 - 224/80 = 125 - 224/80 = -99/80

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