Kalmar "gajeren rarraba" gabaɗaya tana nufin hanyar rarraba lambobi biyu ta hanyar amfani da gajeriyar hanya mafi sauƙi fiye da rabo mai tsawo. A takaice rabo, mai rarraba yawanci lamba ɗaya ce, kuma rabon ana rubuta shi a gefen hagu na alamar rabo. Sai a rubuta adadin sama da rabon, sauran kuma a rubuta kusa da shi. Ana ci gaba da aiwatar da tsarin har sai an raba dukkan lambobi a cikin rabon.