A espanso package that will allow you to use unicode fractions.
Syntax:
:1/4 → ¼
:1/2 → ½
:3/4 → ¾
:1/7 → ⅐
:1/9 → ⅑
:1/10 → ⅒
:1/3 → ⅓
:2/3 → ⅔
:1/5 → ⅕
:2/5 → ⅖
:3/5 → ⅗
:4/5 → ⅘
:1/6 → ⅙
:5/6 → ⅚
:1/8 → ⅛
:3/8 → ⅜
:5/8 → ⅝
:7/8 → ⅞
For more information, read the documentation