Answers

Subtract 21/7 from 9/3

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

9/3 - 21/7 is 0/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 7 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 3 × 7 = 21,
   9/3 = 9 × 7/3 × 7 = 63/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   21/7 = 21 × 3/7 × 3 = 63/21
4. Subtract the two like fractions:
   63/21 - 63/21 = 63 - 63/21 = 0/21
5. The answer is 0

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