Answers

Subtract 8/18 from 7/28

7/28 - 8/18 is -7/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   7/28 = 7 × 9/28 × 9 = 63/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   8/18 = 8 × 14/18 × 14 = 112/252
4. Subtract the two like fractions:
   63/252 - 112/252 = 63 - 112/252 = -49/252
5. After reducing the fraction, the answer is -7/36

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