Answers

Subtract 63/21 from 30/2

1^st number: 15 0/2, 2^nd number: 3 0/21

30/2 - 63/21 is 12/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 2 × 21 = 42,
   30/2 = 30 × 21/2 × 21 = 630/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   63/21 = 63 × 2/21 × 2 = 126/42
4. Subtract the two like fractions:
   630/42 - 126/42 = 630 - 126/42 = 504/42
5. After reducing the fraction, the answer is 12/1

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