Answers

Subtract 20/63 from 64/5

1^st number: 12 4/5, 2^nd number: 20/63

64/5 - 20/63 is 3932/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 5 × 63 = 315,
   64/5 = 64 × 63/5 × 63 = 4032/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   20/63 = 20 × 5/63 × 5 = 100/315
4. Subtract the two like fractions:
   4032/315 - 100/315 = 4032 - 100/315 = 3932/315
5. In mixed form: 12152/315

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