Now apply the same logic to currency. What is the combined value of thirteen shillings and ten farthings? Simple, it's 317 halfpennies, or £317/480. It's much e

Now apply the same logic to currency. What is the combined value of thirteen shillings and ten farthings? Simple, it's 317 halfpennies, or £317/480. It's much easier to deal with than a more difficult calculation like $0.25 + $0.37 = $0.62.