Answers

Subtract 9/5 from 27/20

1^st number: 1 7/20, 2^nd number: 1 4/5

27/20 - 9/5 is -9/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 5 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 5 × 4 = 20,
   9/5 = 9 × 4/5 × 4 = 36/20
4. Subtract the two like fractions:
   27/20 - 36/20 = 27 - 36/20 = -9/20

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