In other words, multiples of the smaller number rk−1 are subtracted from the larger number rk−2 until the remainder rk is smaller than rk−1.
Dǎɣ iyad əmikan, ənimtifan wi ogarnen təmidrit amaɗin rk-1 aqalnen adigmadan wa ogaran təmɣire amaɗin rk-2 hawendǎɣ har awa diqiman rk amosan ogaran təmidrit ən rk-1.