Answers

Subtract 60/81 from 16/21

16/21 - 60/81 is 4/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 21 × 27 = 567,
   16/21 = 16 × 27/21 × 27 = 432/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   60/81 = 60 × 7/81 × 7 = 420/567
4. Subtract the two like fractions:
   432/567 - 420/567 = 432 - 420/567 = 12/567
5. After reducing the fraction, the answer is 4/189

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