Answers

Subtract 45/16 from 5/42

1^st number: 5/42, 2^nd number: 2 13/16

5/42 - 45/16 is -905/336.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 42 × 8 = 336,
   5/42 = 5 × 8/42 × 8 = 40/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   45/16 = 45 × 21/16 × 21 = 945/336
4. Subtract the two like fractions:
   40/336 - 945/336 = 40 - 945/336 = -905/336

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