Showing compare-at-price with line through in the cart page/cart drawer

[Traceyng]

Hi there,

I'm using the free theme of shopify (Dawn) and I want to display the compare-at-price and the total saving on the cart page and on the checkout page. Currently, it only shows the discounted price without reminding the customer about the original price and the amount they're saving.

Can you please help me write the code for this and provide instructions on where to specifically insert this code on both the checkout page and the cart page?