Answers

Subtract 75/63 from 63/21

1^st number: 3 0/21, 2^nd number: 1 12/63

63/21 - 75/63 is 38/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   63/21 = 63 × 3/21 × 3 = 189/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   75/63 = 75 × 1/63 × 1 = 75/63
4. Subtract the two like fractions:
   189/63 - 75/63 = 189 - 75/63 = 114/63
5. After reducing the fraction, the answer is 38/21
6. In mixed form: 117/21

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