Answers

Subtract 45/12 from 28/32

1^st number: 28/32, 2^nd number: 3 9/12

28/32 - 45/12 is -23/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 12 is 96
   
   Next, find the equivalent fraction of both fractional numbers with denominator 96
2. For the 1st fraction, since 32 × 3 = 96,
   28/32 = 28 × 3/32 × 3 = 84/96
3. Likewise, for the 2nd fraction, since 12 × 8 = 96,
   45/12 = 45 × 8/12 × 8 = 360/96
4. Subtract the two like fractions:
   84/96 - 360/96 = 84 - 360/96 = -276/96
5. After reducing the fraction, the answer is -23/8

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