Answers

Subtract 27/20 from 9/25

1^st number: 9/25, 2^nd number: 1 7/20

9/25 - 27/20 is -99/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 25 × 4 = 100,
   9/25 = 9 × 4/25 × 4 = 36/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   27/20 = 27 × 5/20 × 5 = 135/100
4. Subtract the two like fractions:
   36/100 - 135/100 = 36 - 135/100 = -99/100

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