Royal Bank of Canada has cut long-term mortgage rates by up to a tenth of a point. Canada's biggest bank announced Tuesday it is reducing the posted rate on three-year to 10-year loans by a tenth of a point. The reductions are effective Wednesday. At the Royal, a three-year closed term falls to 6.5 per cent, while a five-year loan drops to 6.75 per cent and a seven year loan to 7.25 per cent.The cuts reflect the lower cost of borrowing in the bond market, where banks finance their mortgage loans.