Answers

Subtract 5/35 from 18/81

18/81 - 5/35 is 5/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 35 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 81 × 35 = 2835,
   18/81 = 18 × 35/81 × 35 = 630/2835
3. Likewise, for the 2nd fraction, since 35 × 81 = 2835,
   5/35 = 5 × 81/35 × 81 = 405/2835
4. Subtract the two like fractions:
   630/2835 - 405/2835 = 630 - 405/2835 = 225/2835
5. After reducing the fraction, the answer is 5/63

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