Answers

Subtract 28/60 from 64/63

1^st number: 1 1/63, 2^nd number: 28/60

64/63 - 28/60 is 173/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   64/63 = 64 × 20/63 × 20 = 1280/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   28/60 = 28 × 21/60 × 21 = 588/1260
4. Subtract the two like fractions:
   1280/1260 - 588/1260 = 1280 - 588/1260 = 692/1260
5. After reducing the fraction, the answer is 173/315

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