Answers

Subtract 45/42 from 8/45

1^st number: 8/45, 2^nd number: 1 3/42

8/45 - 45/42 is -563/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 42 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   8/45 = 8 × 14/45 × 14 = 112/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   45/42 = 45 × 15/42 × 15 = 675/630
4. Subtract the two like fractions:
   112/630 - 675/630 = 112 - 675/630 = -563/630

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