Answers

Subtract 25/16 from 4/10

1^st number: 4/10, 2^nd number: 1 9/16

4/10 - 25/16 is -93/80.

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,
   4/10 = 4 × 8/10 × 8 = 32/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   25/16 = 25 × 5/16 × 5 = 125/80
4. Subtract the two like fractions:
   32/80 - 125/80 = 32 - 125/80 = -93/80

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