The difference between Shelagh and Luana's age is 7 and 11/12, or Shelagh is 7 and 11/12 years older than Luana.
Shelagh နဲ႕ Luana ရဲ႕အသက္ကြာဟခ်က္က 7 11/12 ျဖစ္တယ္ (သို႕) Shelagh က Luana ထက္ 7 11/12 ႏွစ္ပုိႀကီးတယ္