Answers

Subtract 42/9 from 45/75

1^st number: 45/75, 2^nd number: 4 6/9

45/75 - 42/9 is -61/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 9 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 75 × 3 = 225,
   45/75 = 45 × 3/75 × 3 = 135/225
3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
   42/9 = 42 × 25/9 × 25 = 1050/225
4. Subtract the two like fractions:
   135/225 - 1050/225 = 135 - 1050/225 = -915/225
5. After reducing the fraction, the answer is -61/15

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