Mathematics
Grade5
Easy

Question

In November, it snowed 10 fraction numerator 5 over denominator 8 end fraction inches. In December it snowed 5 fraction numerator 6 over denominator 7 end fraction inches. The total amount of snow for November and December is __________

  1. 16 fraction numerator 25 over denominator 56 end fraction inches    
  2. 16 fraction numerator 29 over denominator 56 end fraction inches    
  3. 16 fraction numerator 27 over denominator 56 end fraction inches    
  4. 15 fraction numerator 27 over denominator 56 end fraction inches    

hintHint:

  • Convert the mixed fractions into improper fractions.
  • Take the LCM of their denominators ,then divide each of the fraction's denominator with the LCM and multiply the quotient of the division with each of the fraction's respective numerator.
  • Then add the fractions
  • At last convert the sum into mixed fraction.

The correct answer is: 16 fraction numerator 27 over denominator 56 end fraction inches


    Step 1:
    Snowfall in November = 10 fraction numerator 5 over denominator 8 end fraction inches
    Snowfall in December = 5 fraction numerator 6 over denominator 7 end fraction inches
    Step 2:
    Total snowfall in two months = 10 fraction numerator 5 over denominator 8 end fraction plus 5 fraction numerator 6 over denominator 7 end fraction
    equals fraction numerator 85 over denominator 8 end fraction plus fraction numerator 41 over denominator 7 end fraction equals fraction numerator 595 over denominator 56 end fraction plus fraction numerator 328 over denominator 56 end fraction
    = fraction numerator 923 over denominator 56 end fraction
    = 16 fraction numerator 27 over denominator 56 end fraction inches.

    Follow the steps given above step by step without making any mistake.

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