Ratios 4.0 / 5 based on 1 rating ? MathematicsRatios and proportionsGCSEAQA Created by: Izzy.258Created on: 27-05-17 14:35 how do you reduce a ratio into a simpler form? divide all the numbers in the ratio by the same thing. 1 of 7 what do you do if the ratio contains decimals or fractions? multiply both sides by 10 to get rid of the decimals. Now divide to reduce the ratio to its simplest form. 2 of 7 what do you do if the ratio has mixed units? convert them to the easiest unit and simplify the resulting ratio, get rid of the units at the end. 3 of 7 how do you get the form 1:n? divide both sides by the first number so one side goes to 1. 4 of 7 how do you work out proportional division? focus on word PARTS. 1.Add up the parts, 2.divide the total amount by the number of parts, 3. multiply to find the amounts. 5 of 7 how do you work out the difference between two parts? 1. workout how many parts the first number makes up of the bigger number2.divide to find one part3.multiply to find the length of the 2nd piece. 6 of 7 what do you do when the ratio changes 1.write the ratios as equations 2.turn the ratios into fractions 3.solve the 2 equations simultaneously. 7 of 7
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