Answers

Subtract 4/7 from 8/18

8/18 - 4/7 is -8/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 7 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   8/18 = 8 × 7/18 × 7 = 56/126
3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
   4/7 = 4 × 18/7 × 18 = 72/126
4. Subtract the two like fractions:
   56/126 - 72/126 = 56 - 72/126 = -16/126
5. After reducing the fraction, the answer is -8/63

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