What is the 20th digit of the sum of the decimal equivalents for the fractions 1/7 and 1/3?
+118723 $${\frac{{\mathtt{1}}}{{\mathtt{7}}}} = {\mathtt{0.142\: \!857\: \!142\: \!857\: \!142\: \!9}}$$
0.14285714285714285714|28571
0.33333333333333333333|33333
----------------------------------------
When you add these the 20th significant figures will be 4 an 3 respecively
their sum will be 7
+118723 $${\frac{{\mathtt{1}}}{{\mathtt{7}}}} = {\mathtt{0.142\: \!857\: \!142\: \!857\: \!142\: \!9}}$$
0.14285714285714285714|28571
0.33333333333333333333|33333
----------------------------------------
When you add these the 20th significant figures will be 4 an 3 respecively
their sum will be 7
