Answer:
the cake that was left is 1 by 15
Step-by-step explanation:
The computation is shown below:
= sale - gave away
[tex]= \frac{2}{5} - \frac{1}{3}\\\\= \frac{6 - 5}{15} \\\\= \frac{1}{15}[/tex]
Hence, the cake that was left is 1 by 15
So the same is relevant and considered too