Silver lost 29 cents, or 1 percent, to end at $28.89 an ounce.
The euro fell to $1.2920 from Thursday's $1.2936. Against the yen, the dollar fell to 79.94 yen from 79.93 yen.
The British pound was $1.6074 from $1.6136 Thursday. The dollar was 1.0008 to Canadian dollars from 1.0029 Canadian.
The dollar was 7.7662 against the Hong Kong dollar, from 7.7633 Thursday. The Australian dollar was $1.0023 from $1.0064.
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