Lucky 15 shine Yankee tare da zaɓin huɗu ƙari: zaɓin 4 (singles) + marubuciyoyi 6 (doubles) + marubuciyoyi 3 (trebles) + marubuciyoyi 4 (four-fold) = kirjoji 15. Zaɓin keɗai na nufin yin nasara ɗaya kawai na haɗa kuɗi, kuma bookmakers sai su dagaci danaɗi — kubla odds akan zaɓin ɗaya, danaɗi ga huɗu duka.
Danaɗin ƙari suna waje saboda abin kirja na tushe yana ɗauki waje tana 15. Satuwa kirja gabaɗaya: kirjoji 15 game da zaɗi tipical 5% na waje yana satuwa kuɗi ɗaya 0.75 kafin danaɗi ya ɗawo wasu.
£1 Lucky 15 (£15) akan zaɓi a 3.00 kowane. Yin nasara ɗaya tare da 'kubla odds akan nasara ɗaya': zaɓin keɗai ya bada £1 × 5.00 = £5 (jiya £3) — shuni asali £10 na ɓacewar halin. Huɗu duka: zaɓi keɗai £12 + marubuciyoyi £54 + marubuciyoyi 3 £108 + marubuciyoyi 4 £81 = £255. Gane yanayin aljihu na gaske amma ƙarami; kirja na satuwa ƙayyadannawa akan su ganin akwai fiye da ainihi.