A mixed sum of shillings and pence, such as 3 shillings and 6 pence, was written as 3/6 or 3s. 6d. and spoken as three and six (except for 1/1, 2/1 etc., which were spoken as one and a penny, two and a penny, etc.). 5 shillings was written as 5s. or, more commonly, 5/???.