Convert fractions to percentages, percentages to fractions - JSS1 Mathematics Lesson Note

Convert fractions to percentages: To convert a fraction to a percentage, multiply the fraction by 100%. For example:

1/4= 0.25= 0.25×100%= 25%

4/1 =0.25=0.25×100%=25%

2/3= 0.6667≈ 0.6667×100%=66.67%

3/2 =0.6667≈0.6667×100%=66.67%

Convert percentages to fractions: To convert a percentage to a fraction, place the percentage value over 100 and simplify if possible. For example:

25%= 25/100= 1/4

25%= 100/25= 4/1

66.67%= 66.67/100 = 2/3

66.67%= 100/66.67= 3/2  (approximated)