Answers

Subtract 3/20 from 18/50

18/50 - 3/20 is 21/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 50 × 2 = 100,
   18/50 = 18 × 2/50 × 2 = 36/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   3/20 = 3 × 5/20 × 5 = 15/100
4. Subtract the two like fractions:
   36/100 - 15/100 = 36 - 15/100 = 21/100

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