Answers

Subtract 45/4 from 42/30

1^st number: 1 12/30, 2^nd number: 11 1/4

42/30 - 45/4 is -197/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 4 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   42/30 = 42 × 2/30 × 2 = 84/60
3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
   45/4 = 45 × 15/4 × 15 = 675/60
4. Subtract the two like fractions:
   84/60 - 675/60 = 84 - 675/60 = -591/60
5. After reducing the fraction, the answer is -197/20

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