Answers

Subtract 21/63 from 5/12

5/12 - 21/63 is 1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 12 × 21 = 252,
   5/12 = 5 × 21/12 × 21 = 105/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   21/63 = 21 × 4/63 × 4 = 84/252
4. Subtract the two like fractions:
   105/252 - 84/252 = 105 - 84/252 = 21/252
5. After reducing the fraction, the answer is 1/12

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