Answers

Subtract 28/81 from 5/35

5/35 - 28/81 is -115/567.

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,
   5/35 = 5 × 81/35 × 81 = 405/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   28/81 = 28 × 35/81 × 35 = 980/2835
4. Subtract the two like fractions:
   405/2835 - 980/2835 = 405 - 980/2835 = -575/2835
5. After reducing the fraction, the answer is -115/567

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