Answers

Subtract 70/4 from 27/20

1^st number: 1 7/20, 2^nd number: 17 2/4

27/20 - 70/4 is -323/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   27/20 = 27 × 1/20 × 1 = 27/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   70/4 = 70 × 5/4 × 5 = 350/20
4. Subtract the two like fractions:
   27/20 - 350/20 = 27 - 350/20 = -323/20

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