Khan Academy Static

Comparing any two quantities in terms of ‘how many times’ is known as ratio, and it is denoted by a ':' sign.Two quantities can be compared only if they are in the same unit. In this topic we will learn to simplify rations, and see how they are used through several basic examples.

8293_Simplifying_rates_and_ratios.html

8294_Rational_number_word_problem_computers.html

8292_Ratios_as_fractions_in_simplest_form.html

8295_Rational_number_word_problem_stock.html

8297_Ratio_word_problem_centimeters_to_kilometers.html

8291_Ratios_as_fractions.html

8298_Solving_ratio_problems_with_tables_example_1.html

8290_Intro_to_ratios.html

8296_Ratio_word_problem_boys_to_girls.html

8299_Solving_ratio_problems_with_tables_example_2.html