Answers

Subtract 49/3 from 18/42

1^st number: 18/42, 2^nd number: 16 1/3

18/42 - 49/3 is -334/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 3 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   18/42 = 18 × 1/42 × 1 = 18/42
3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
   49/3 = 49 × 14/3 × 14 = 686/42
4. Subtract the two like fractions:
   18/42 - 686/42 = 18 - 686/42 = -668/42
5. After reducing the fraction, the answer is -334/21

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