7/10, division is not possible so we right 0. ( zero point ) and multiply 7 by 10
(7*10)/10=70/10... 10 goes into 70, 7 times, so we write 0.7 (zero point seven)
1. 7/10 = 0.7, not repeating
4 20/30 = 2/3 = 0.666... repeating
13. 1/17/20 = 37/20 = 1.85