Answers

Subtract 81/70 from 12/14

1^st number: 12/14, 2^nd number: 1 11/70

12/14 - 81/70 is -3/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 14 × 5 = 70,
   12/14 = 12 × 5/14 × 5 = 60/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   81/70 = 81 × 1/70 × 1 = 81/70
4. Subtract the two like fractions:
   60/70 - 81/70 = 60 - 81/70 = -21/70
5. After reducing the fraction, the answer is -3/10

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