Converting between fractions, decimals and percentages is a useful problem-solving skill. The data can be more easily ordered by size when written in the same format. Calculations often give a decimal ...

The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

so what we're saying in words or in math I should say is we know that the fraction one-half because it's I picked this one because it's the one everybody knows we know that the fraction one-half from ...