Answers

Subtract 72/20 from 3/6

1^st number: 3/6, 2^nd number: 3 12/20

3/6 - 72/20 is -31/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 6 × 10 = 60,
   3/6 = 3 × 10/6 × 10 = 30/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   72/20 = 72 × 3/20 × 3 = 216/60
4. Subtract the two like fractions:
   30/60 - 216/60 = 30 - 216/60 = -186/60
5. After reducing the fraction, the answer is -31/10

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