Answers

Subtract 20/18 from 12/14

1^st number: 12/14, 2^nd number: 1 2/18

12/14 - 20/18 is -16/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 18 is 126
2. For the 1st fraction, since 14 × 9 = 126,
   12/14 = 12 × 9/14 × 9 = 108/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   20/18 = 20 × 7/18 × 7 = 140/126
4. Subtract the two fractions:
   108/126 - 140/126 = 108 - 140/126 = -32/126
5. After reducing the fraction, the answer is -16/63

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