Answers

Subtract 75/6 from 7/20

1^st number: 7/20, 2^nd number: 12 3/6

7/20 - 75/6 is -243/20.

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,
   7/20 = 7 × 3/20 × 3 = 21/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   75/6 = 75 × 10/6 × 10 = 750/60
4. Subtract the two like fractions:
   21/60 - 750/60 = 21 - 750/60 = -729/60
5. After reducing the fraction, the answer is -243/20

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