3/7 = 3 ÷ 7 = 0.428571
3
7/3 = 7 ÷ 3 = 2.333333
.42851.. .428571...
0.428571 repeating
.7
7/21:= 7 ÷ 21= 0.333 in decimal
.7
0.428571... with the 6-digit string repeating forever.
7 3/8 as a decimal is : 7.375
7 4/21 in decimal form is 7.190476 . . .
0.2593