Answers

Subtract 20/63 from 75/60

1^st number: 1 15/60, 2^nd number: 20/63

75/60 - 20/63 is 235/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   75/60 = 75 × 21/60 × 21 = 1575/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   20/63 = 20 × 20/63 × 20 = 400/1260
4. Subtract the two like fractions:
   1575/1260 - 400/1260 = 1575 - 400/1260 = 1175/1260
5. After reducing the fraction, the answer is 235/252

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