Answers

Subtract 63/21 from 21/3

1^st number: 7 0/3, 2^nd number: 3 0/21

21/3 - 63/21 is 4/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 21 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 3 × 7 = 21,
   21/3 = 21 × 7/3 × 7 = 147/21
3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
   63/21 = 63 × 1/21 × 1 = 63/21
4. Subtract the two like fractions:
   147/21 - 63/21 = 147 - 63/21 = 84/21
5. After reducing the fraction, the answer is 4/1

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