, what is the difference between greatest 3digit number and 2digit number Share with your friends Share 0 Ranvijay Rathore answered this 999-99=900 hope this helps ^_^ 0 View Full Answer Anya Anand answered this 999-99=900 0 Aayush answered this Please find this answer -1 Priya answered this Greatest 3 digit number: 999 Greatrst 2 digit number: 99 Difference:999-99= 900 0 Rudra Patra answered this 999-99=900 0