Mathematics
Grade6
Easy

Question

Add 3 fraction numerator 2 over denominator 4 end fraction plus 7 fraction numerator 2 over denominator 5 end fraction.

  1. 9 fraction numerator 9 over denominator 10 end fraction    
  2. 9 fraction numerator 1 over denominator 10 end fraction    
  3. 10 fraction numerator 9 over denominator 10 end fraction    
  4. 10 fraction numerator 1 over denominator 10 end fraction    

hintHint:

For addition of two fraction, we first make denominator same.

The correct answer is: 10 fraction numerator 9 over denominator 10 end fraction


    3 fraction numerator 2 over denominator 4 end fraction plus 7 fraction numerator 2 over denominator 5 end fraction equals 3 plus fraction numerator 2 over denominator 4 end fraction plus 7 plus fraction numerator 2 over denominator 5 end fraction
    equals 3 plus 7 plus open parentheses fraction numerator 2 over denominator 4 end fraction plus fraction numerator 2 over denominator 5 end fraction close parentheses equals 10 plus open parentheses fraction numerator 10 over denominator 20 end fraction plus fraction numerator 8 over denominator 20 end fraction close parentheses
    equals 10 plus fraction numerator 18 over denominator 20 end fraction equals 10 plus fraction numerator 9 over denominator 10 end fraction equals 10 fraction numerator 9 over denominator 10 end fraction

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