Answers

Subtract 81/6 from 10/20

1^st number: 10/20, 2^nd number: 13 3/6

10/20 - 81/6 is -13/1.

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,
   10/20 = 10 × 3/20 × 3 = 30/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   81/6 = 81 × 10/6 × 10 = 810/60
4. Subtract the two like fractions:
   30/60 - 810/60 = 30 - 810/60 = -780/60
5. After reducing the fraction, the answer is -13/1

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