Answers

Subtract 21/7 from 63/3

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

63/3 - 21/7 is 18/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 7 is 21
2. For the 1st fraction, since 3 × 7 = 21,
   63/3 = 63 × 7/3 × 7 = 441/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   21/7 = 21 × 3/7 × 3 = 63/21
4. Subtract the two fractions:
   441/21 - 63/21 = 441 - 63/21 = 378/21
5. After reducing the fraction, the answer is 18/1

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