Answers

Subtract 25/16 from 45/20

1^st number: 2 5/20, 2^nd number: 1 9/16

45/20 - 25/16 is 11/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   45/20 = 45 × 4/20 × 4 = 180/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   25/16 = 25 × 5/16 × 5 = 125/80
4. Subtract the two like fractions:
   180/80 - 125/80 = 180 - 125/80 = 55/80
5. After reducing the fraction, the answer is 11/16

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