Answers

Subtract 70/6 from 20/28

1^st number: 20/28, 2^nd number: 11 4/6

20/28 - 70/6 is -230/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   20/28 = 20 × 3/28 × 3 = 60/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   70/6 = 70 × 14/6 × 14 = 980/84
4. Subtract the two like fractions:
   60/84 - 980/84 = 60 - 980/84 = -920/84
5. After reducing the fraction, the answer is -230/21

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