Answers

Subtract 70/18 from 32/42

1^st number: 32/42, 2^nd number: 3 16/18

32/42 - 70/18 is -197/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   32/42 = 32 × 3/42 × 3 = 96/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   70/18 = 70 × 7/18 × 7 = 490/126
4. Subtract the two like fractions:
   96/126 - 490/126 = 96 - 490/126 = -394/126
5. After reducing the fraction, the answer is -197/63

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