By replacing different fractional units with an equivalent fraction<span> or like unit. ...</span>number line<span> takes </span>fractions into<span> the larger set of </span>whole numbers<span>. .... </span>whole<span> and having </span><span>like</span>denominators<span>, e.g., by using visual </span>fraction<span> models and equations ... Students at </span>all<span> grade levels can listen or read the arguments of.</span>