Answers

Subtract 5/81 from 30/35

30/35 - 5/81 is 451/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 81 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 35 × 81 = 2835,
   30/35 = 30 × 81/35 × 81 = 2430/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   5/81 = 5 × 35/81 × 35 = 175/2835
4. Subtract the two like fractions:
   2430/2835 - 175/2835 = 2430 - 175/2835 = 2255/2835
5. After reducing the fraction, the answer is 451/567

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