Identify common denominator: Identify a common denominator for the fractions−43 and 27. The common denominator for 4 and 2 is 4.
Convert fraction to common denominator: Convert the fraction27 to have the common denominator of 4. To do this, multiply both the numerator and the denominator by 2. (27)×(22)=414
Add fractions with common denominator: Now that both fractions have the same denominator, add them together. −43+414
Combine numerators: Combine the numerators and keep the common denominator.(−3+14)/4=11/4
Check for simplification: Check if the fraction 411 can be simplified further.Since 11 is a prime number and 4 is not a multiple of 11, the fraction is already in its simplest form.
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