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Percentages, SM-Bank 007

Convert the following fractions to percentages.

  1. \(\dfrac{51}{100}\)  (1 mark)

  2. \(\dfrac{3}{10}\)  (1 mark)

  3. \(1\dfrac{2}{5}\)  (2 mark)

  4. \(4\dfrac{3}{4}\)  (2 marks)

Show Answers Only

a.     \(51\text{%}\)

b.     \(30\text{%}\)

c.     \(125\text{%}\)

d.     \(475\text{%}\)

Show Worked Solution
a.     \(\dfrac{51}{100}\) \(=51\%\)

 

b.     \(\dfrac{3}{10}\) \(=\dfrac{30}{100}=30\%\)

 

c.    \(1\dfrac{2}{5}\) \(=1\ \dfrac{2\times 20}{5\times 20}=1\dfrac{40}{100}=\dfrac{140}{100}=140\%\)

 

d.     \(4\dfrac{3}{4}\) \(=4 \dfrac{75}{100}=\dfrac{475}{100}=475\%\)