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1.81.4 Fraction: arithmetic

* aNumber
Multiply two numbers and answer the result.


+ aNumber
Sum two numbers and answer the result.


- aNumber
Subtract aNumber from the receiver and answer the result.


/ aNumber
Divide the receiver by aNumber and answer the result.


// aNumber
Return the integer quotient of dividing the receiver by aNumber with truncation towards negative infinity.


\\ aNumber
Return the remainder from dividing the receiver by aNumber, (using //).


estimatedLog
Answer an estimate of (self abs floorLog: 10)