4/n:
On pg. 156-157 of āMathish,ā Boaler characterizes the division of fractions as āā¦having little practical value,' which is false. In truth, division of fractions is essential across engineering fields - including but not limited to stress-strain ratios, chemical concentration ratios, and electrical resistance ratio calculations. Scientists rely on fractions for everything from decay rates to statistics, and even bakers use division of fractions to scale recipes with constant proportions. There are countless times when addition, subtraction, multiplication and division of fractions is needed in these fields in practical situations.