Answers

Subtract 42/7 from 12/70

1^st number: 12/70, 2^nd number: 6 0/7

12/70 - 42/7 is -204/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 7 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 70 × 1 = 70,
   12/70 = 12 × 1/70 × 1 = 12/70
3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
   42/7 = 42 × 10/7 × 10 = 420/70
4. Subtract the two like fractions:
   12/70 - 420/70 = 12 - 420/70 = -408/70
5. After reducing the fraction, the answer is -204/35

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