Answers

Subtract 80/6 from 28/20

1^st number: 1 8/20, 2^nd number: 13 2/6

28/20 - 80/6 is -179/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 6 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   28/20 = 28 × 3/20 × 3 = 84/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   80/6 = 80 × 10/6 × 10 = 800/60
4. Subtract the two like fractions:
   84/60 - 800/60 = 84 - 800/60 = -716/60
5. After reducing the fraction, the answer is -179/15

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