Finding 33 1/3% and 66 2/3%

Finding 33 1/3% and 66 2/3%

 $33\ \frac{1}{3}\%=\frac{1}{3}$   so to find  $33\ \frac{1}{3}\%$  we divide by 3

•  $33\ \frac{1}{3}\%$  of £39 = 39 $\div$  3 = £13

 $66\ \frac{2}{3}\%=\frac{2}{3}$   so to find  $66\ \frac{2}{3}\%$  we divide by 3 then multiply by 2

•  $66\ \frac{2}{3}\%$  of £99= 99 $\div$  3= 33 x 2=£66