Mathematics
Grade10
Easy

Question

Which is the lowest common denominator for the fractions fraction numerator 4 over denominator 15 end fraction comma blank fraction numerator 1 over denominator 6 end fraction comma blank fraction numerator 2 over denominator 3 end fraction ?

  1. 52    
  2. 35    
  3. 17    
  4. 30    

hintHint:

In this question we have to find the LCM (lowest common multiple) of all the three denominators which is the lowest common denominator.

The correct answer is: 30


    The lowest common denominator of the fractions fraction numerator 4 over denominator 15 end fraction comma blank fraction numerator 1 over denominator 6 end fraction comma blank fraction numerator 2 over denominator 3 end fraction is 30.
    fraction numerator 4 over denominator 15 end fraction equals fraction numerator 4 cross times 2 over denominator 15 cross times 2 end fraction equals fraction numerator 8 over denominator 30 end fraction
    fraction numerator 1 over denominator 6 end fraction equals fraction numerator 1 cross times 5 over denominator 6 cross times 5 end fraction equals fraction numerator 5 over denominator 30 end fraction
    fraction numerator 2 over denominator 3 end fraction equals fraction numerator 2 cross times 10 over denominator 3 cross times 10 end fraction equals fraction numerator 20 over denominator 30 end fraction

    Related Questions to study

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.