Answers

Subtract 40/81 from 14/40

14/40 - 40/81 is -233/1620.

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,
   14/40 = 14 × 81/40 × 81 = 1134/3240
3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
   40/81 = 40 × 40/81 × 40 = 1600/3240
4. Subtract the two like fractions:
   1134/3240 - 1600/3240 = 1134 - 1600/3240 = -466/3240
5. After reducing the fraction, the answer is -233/1620

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