5/7 = 5 divide by 7 = 0.714285714285714285....

The backslash "\"  is  💦sometimes💦 used to denote integer division, e.g.,

 18\4 = 4

But often it's just someone who's dislexic and meant to type divide "/" symbol. 😯

🚳 🚴 🚵 🚷