Answers

Subtract 60/20 from 28/16

1^st number: 1 12/16, 2^nd number: 3 0/20

28/16 - 60/20 is -5/4.

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,
   28/16 = 28 × 5/16 × 5 = 140/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   60/20 = 60 × 4/20 × 4 = 240/80
4. Subtract the two like fractions:
   140/80 - 240/80 = 140 - 240/80 = -100/80
5. After reducing the fraction, the answer is -5/4

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