Ratio Of Fractions?

Algebra Level 1

The ratio of two numbers is $\dfrac56 : \dfrac 23$ . By what percentage is second number more or less than the first number?

20% more 80% less 80% more 20% less

1 solution

Mehul Arora
Feb 22, 2016

$\dfrac {5}{6}: \dfrac {2}{3} = \dfrac {5}{6}: \dfrac {4}{6} = 5:4$

The second number is therefore less than the first by, $\dfrac {5-4}{5} \times 100 = 20 \% _\square$