Answers

Subtract 45/4 from 36/42

1^st number: 36/42, 2^nd number: 11 1/4

36/42 - 45/4 is -291/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   36/42 = 36 × 2/42 × 2 = 72/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   45/4 = 45 × 21/4 × 21 = 945/84
4. Subtract the two like fractions:
   72/84 - 945/84 = 72 - 945/84 = -873/84
5. After reducing the fraction, the answer is -291/28

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