Answers

Subtract 6/81 from 10/40

10/40 - 6/81 is 19/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 81 is 3240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3240
2. For the 1st fraction, since 40 × 81 = 3240,
   10/40 = 10 × 81/40 × 81 = 810/3240
3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
   6/81 = 6 × 40/81 × 40 = 240/3240
4. Subtract the two like fractions:
   810/3240 - 240/3240 = 810 - 240/3240 = 570/3240
5. After reducing the fraction, the answer is 19/108

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