Answers

Subtract 45/20 from 9/16

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

9/16 - 45/20 is -27/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   9/16 = 9 × 5/16 × 5 = 45/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   45/20 = 45 × 4/20 × 4 = 180/80
4. Subtract the two like fractions:
   45/80 - 180/80 = 45 - 180/80 = -135/80
5. After reducing the fraction, the answer is -27/16

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