Persen artinya adalah seperseratus
Contoh:
- 10% artinya 10 per 100, ditulis dalam bentuk pecahan \(\dfrac{10}{100}\)
- 25% artinya 25 per 100, ditulis dalam bentuk pecahan \(\dfrac{25}{100}\)
- 50% artinya 50 per 100, ditulis dalam bentuk pecahan \(\dfrac{50}{100}\)
(1) \(\dfrac{3}{4}\)
\(\color{blue}\dfrac{3}{4} = \dfrac{3\times 25}{4 \times 25} = \dfrac{75}{100} = 75\%\)
(2) \(\dfrac{4}{5}\)
\(\color{blue}\dfrac{4}{5} = \dfrac{4\times 20}{5 \times 20} = \dfrac{80}{100} = 80\%\)
(3) \(\dfrac{3}{10}\)
\(\color{blue}\dfrac{3}{10} = \dfrac{3\times 10}{10 \times 10} = \dfrac{30}{100} = 30\%\)
(4) \(\dfrac{9}{20}\)
\(\color{blue}\dfrac{9}{20} = \dfrac{9\times 5}{20\times 5} = \dfrac{45}{100} = 45\%\)
(5) \(\dfrac{12}{25}\)
\(\color{blue}\dfrac{12}{25} = \dfrac{12\times 4}{25\times 4} = \dfrac{48}{100} = 48\%\)
(6) \(\dfrac{31}{50}\)
\(\color{blue}\dfrac{31}{50} = \dfrac{31\times 2}{50\times 2} = \dfrac{62}{100} = 62\%\)
(7) \(\dfrac{93}{100}\)
\(\color{blue}\dfrac{93}{100} = 93\%\)