2 steering wheels manufactured each hour were defected There were 50 steering wheels manufactured per hour The fraction is Divide 2, which is the numerator by 50, which is the denominator 2÷50=.04 To change any decimal into a fraction, multiply by 100 The multiply .04 by 100 to change into a percentage .04×100=4.⇒4% 4% is the percentage of defective steering wheels