13/17+1/18
Let's calculate: 1317 + 118
13×18 + 1717×18
ℹ13×18 = 234‖17×18 = 306
234 + 17306
ℹ234 + 17 = 251
▶Result:   251306
The approximate value of: 251306 equals:
▷ ≈ 0.8203