Answers

Subtract 9/50 from 3/20

3/20 - 9/50 is -3/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 50 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 20 × 5 = 100,
   3/20 = 3 × 5/20 × 5 = 15/100
3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
   9/50 = 9 × 2/50 × 2 = 18/100
4. Subtract the two like fractions:
   15/100 - 18/100 = 15 - 18/100 = -3/100

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