Answers

Subtract 70/81 from 4/45

4/45 - 70/81 is -314/405.

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,
   4/45 = 4 × 9/45 × 9 = 36/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   70/81 = 70 × 5/81 × 5 = 350/405
4. Subtract the two like fractions:
   36/405 - 350/405 = 36 - 350/405 = -314/405

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