Answers

Subtract 12/45 from 75/63

1^st number: 1 12/63, 2^nd number: 12/45

75/63 - 12/45 is 97/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   75/63 = 75 × 5/63 × 5 = 375/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   12/45 = 12 × 7/45 × 7 = 84/315
4. Subtract the two like fractions:
   375/315 - 84/315 = 375 - 84/315 = 291/315
5. After reducing the fraction, the answer is 97/105

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