Mathematics
Grade9
Easy

Question

If fraction numerator x over denominator 4 end fraction equals fraction numerator y over denominator 8 end fraction, then fraction numerator x plus 4 over denominator 4 end fraction equals?

  1. y plus fraction numerator 8 over denominator 8 end fraction    
  2. fraction numerator 4 over denominator 8 end fraction    
  3. fraction numerator 1 over denominator 2 end fraction    
  4. y plus fraction numerator 4 over denominator 8 end fraction    

Hint:

If fraction numerator a over denominator b end fraction equals fraction numerator c over denominator d end fraction, then fraction numerator a plus b over denominator b end fraction equals fraction numerator c plus d over denominator d end fraction numerator, then you form another true proportion

The correct answer is: y plus fraction numerator 8 over denominator 8 end fraction


    In a proportion, if you add the value of each ratio's denominator to its
    If fraction numerator a over denominator b end fraction equals fraction numerator c over denominator d end fraction, then fraction numerator a plus b over denominator b end fraction equals fraction numerator c plus d over denominator d end fraction numerator, then you form another true proportion
    Here,fraction numerator x over denominator 4 end fraction equals fraction numerator y over denominator 8 end fraction then  fraction numerator x plus 4 over denominator 4 end fraction equals fraction numerator y plus 8 over denominator 8 end fraction

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