Answers

Subtract 35/81 from 7/45

7/45 - 35/81 is -112/405.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   7/45 = 7 × 9/45 × 9 = 63/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   35/81 = 35 × 5/81 × 5 = 175/405
4. Subtract the two like fractions:
   63/405 - 175/405 = 63 - 175/405 = -112/405

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