Answers

Subtract 27/14 from 18/20

1^st number: 18/20, 2^nd number: 1 13/14

18/20 - 27/14 is -36/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 14 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   18/20 = 18 × 7/20 × 7 = 126/140
3. Likewise, for the 2nd fraction, since 14 × 10 = 140,
   27/14 = 27 × 10/14 × 10 = 270/140
4. Subtract the two like fractions:
   126/140 - 270/140 = 126 - 270/140 = -144/140
5. After reducing the fraction, the answer is -36/35

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