Answers

Subtract 15/6 from 30/42

1^st number: 30/42, 2^nd number: 2 3/6

30/42 - 15/6 is -25/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   30/42 = 30 × 1/42 × 1 = 30/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   15/6 = 15 × 7/6 × 7 = 105/42
4. Subtract the two like fractions:
   30/42 - 105/42 = 30 - 105/42 = -75/42
5. After reducing the fraction, the answer is -25/14

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