Answers

Subtract 80/5 from 30/20

1^st number: 1 10/20, 2^nd number: 16 0/5

30/20 - 80/5 is -29/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 5 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   30/20 = 30 × 1/20 × 1 = 30/20
3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
   80/5 = 80 × 4/5 × 4 = 320/20
4. Subtract the two like fractions:
   30/20 - 320/20 = 30 - 320/20 = -290/20
5. After reducing the fraction, the answer is -29/2

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