The Australian dollar fell as the greenback firmed against the pound, buying 72.04 US cents at 1630 AEDT, down from 72.17 US cents on Monday.
One Australian dollar buys 81.48 Japanese yen, from 81.17 ; 63.38 euro cents, from 63.13 ; 57.26 British pence, from 56.61 and 104.72 NZ cents, from 104.72