Answers

Subtract 60/42 from 45/64

1^st number: 45/64, 2^nd number: 1 18/42

45/64 - 60/42 is -325/448.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 42 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 64 × 21 = 1344,
   45/64 = 45 × 21/64 × 21 = 945/1344
3. Likewise, for the 2nd fraction, since 42 × 32 = 1344,
   60/42 = 60 × 32/42 × 32 = 1920/1344
4. Subtract the two like fractions:
   945/1344 - 1920/1344 = 945 - 1920/1344 = -975/1344
5. After reducing the fraction, the answer is -325/448

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