fractions, decimals and percents
Converting fractions to decimals
Numerator × Denominator
decimals to fractions
place the decimal over its place value
fractions to percents
divide numerator by denominator and multiply result by 100
percent to fraction
put number over 100 (remove % sign) simplify if necessary
decimals to percents
Multiply by 100
percents to decimals
divide by 100
Percentages more than 100
Since 100% = 1/1, percentages greater than 100% have a value greater than 1
Percentages less than 1
Percentages less than 1 have a value less than 1%
finding the percentage a quantity represents to a whole
4/5=80 etc.
finding percents of a number
1) × by the number given
2) turn into decimal
finding a number given the percent
divide by the number given