They are alike because yu can turn a ratio into a fraction or it is already one.
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Equivalent ratios are like equivalent fractions because they represent the same relationship between quantities in different forms. Just like equivalent fractions are different expressions of the same value, equivalent ratios show the same comparison between two quantities using different numerical values.
Fractions are not typically needed in marine biology as most measurements are in whole numbers or decimals. However, there may be instances where fractions are used to represent ratios or proportions in research or data analysis.
Two equivalent fractions for 1/3 are 2/6 and 3/9. These fractions are equivalent because they represent the same proportion of a whole.
Two fractions are equivalent if they can be simplified to the same value by dividing the numerator and the denominator by the same number. For example, 2/4 and 1/2 are equivalent because both simplify to 1/2 when divided by 2.
fractions equivale nt to 1/4 = 2/8, 3/12, 4/20, ...
You can use ratios, percentages, or fractions to measure proportions. These measures provide a way to compare the size or quantity of one part of a whole in relation to the entire amount.