Answers

Subtract 1/21 from 75/63

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

75/63 - 1/21 is 8/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 21 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   75/63 = 75 × 1/63 × 1 = 75/63
3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
   1/21 = 1 × 3/21 × 3 = 3/63
4. Subtract the two like fractions:
   75/63 - 3/63 = 75 - 3/63 = 72/63
5. After reducing the fraction, the answer is 8/7
6. In mixed form: 11/7

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