Answers

Subtract 15/81 from 35/50

35/50 - 15/81 is 139/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 81 is 4050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4050
2. For the 1st fraction, since 50 × 81 = 4050,
   35/50 = 35 × 81/50 × 81 = 2835/4050
3. Likewise, for the 2nd fraction, since 81 × 50 = 4050,
   15/81 = 15 × 50/81 × 50 = 750/4050
4. Subtract the two like fractions:
   2835/4050 - 750/4050 = 2835 - 750/4050 = 2085/4050
5. After reducing the fraction, the answer is 139/270

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