Answers

Subtract 70/6 from 20/72

1^st number: 20/72, 2^nd number: 11 4/6

20/72 - 70/6 is -205/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 6 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   20/72 = 20 × 1/72 × 1 = 20/72
3. Likewise, for the 2nd fraction, since 6 × 12 = 72,
   70/6 = 70 × 12/6 × 12 = 840/72
4. Subtract the two like fractions:
   20/72 - 840/72 = 20 - 840/72 = -820/72
5. After reducing the fraction, the answer is -205/18

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