Answers

Subtract 25/18 from 20/36

1^st number: 20/36, 2^nd number: 1 7/18

20/36 - 25/18 is -5/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 36 × 1 = 36,
   20/36 = 20 × 1/36 × 1 = 20/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   25/18 = 25 × 2/18 × 2 = 50/36
4. Subtract the two like fractions:
   20/36 - 50/36 = 20 - 50/36 = -30/36
5. After reducing the fraction, the answer is -5/6

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