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Mathematics Question on Percentage – Another Way Of Comparing Quantities

Convert the given fractional numbers to per cents.

  1. 18\frac{1}{8 }
  2. 54\frac{5}{4 }
  3. 340\frac{3}{40}
  4. 27\frac{2}{7}
Answer

(a) 18=18×100100\frac{1}{8}=\frac{1}{8}\times\frac{100}{100}

18×100\frac{1}{8}\times100 %\%

= 12.5%12.5\%

(b) 54=54×100100\frac{5}{4}=\frac{5}{4}\times\frac{100}{100}

=5004%= \frac{500}{4}\%

= 125%125\%

(c) 340=340×100100\frac{3}{40}= \frac{3}{40}\times \frac{100}{100}

= 30040%\frac{300}{40}\%

=7.5%7.5\%

(d) 27=27×100100\frac{2}{7}=\frac{2}{7}\times \frac{100}{100}

= 2007%\frac{200}{7}\%

= 2847%28\frac{4}{7}\%