Answers

Subtract 81/12 from 14/70

1^st number: 14/70, 2^nd number: 6 9/12

14/70 - 81/12 is -131/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 12 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   14/70 = 14 × 6/70 × 6 = 84/420
3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
   81/12 = 81 × 35/12 × 35 = 2835/420
4. Subtract the two like fractions:
   84/420 - 2835/420 = 84 - 2835/420 = -2751/420
5. After reducing the fraction, the answer is -131/20

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