Answers

Subtract 6/20 from 21/50

21/50 - 6/20 is 3/25.

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,
   21/50 = 21 × 2/50 × 2 = 42/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   6/20 = 6 × 5/20 × 5 = 30/100
4. Subtract the two like fractions:
   42/100 - 30/100 = 42 - 30/100 = 12/100
5. After reducing the fraction, the answer is 3/25

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