Answers

Subtract 7/4 from 8/18

1^st number: 8/18, 2^nd number: 1 3/4

8/18 - 7/4 is -47/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 4 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   8/18 = 8 × 2/18 × 2 = 16/36
3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
   7/4 = 7 × 9/4 × 9 = 63/36
4. Subtract the two like fractions:
   16/36 - 63/36 = 16 - 63/36 = -47/36

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