Answers

Subtract 70/8 from 32/42

1^st number: 32/42, 2^nd number: 8 6/8

32/42 - 70/8 is -671/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   32/42 = 32 × 4/42 × 4 = 128/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   70/8 = 70 × 21/8 × 21 = 1470/168
4. Subtract the two like fractions:
   128/168 - 1470/168 = 128 - 1470/168 = -1342/168
5. After reducing the fraction, the answer is -671/84

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