Answers

Subtract 6/30 from 21/60

21/60 - 6/30 is 3/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   21/60 = 21 × 1/60 × 1 = 21/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   6/30 = 6 × 2/30 × 2 = 12/60
4. Subtract the two like fractions:
   21/60 - 12/60 = 21 - 12/60 = 9/60
5. After reducing the fraction, the answer is 3/20

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