1. 1 hundreds \(+\) 4 tens \(+\) 7 tenths \(+\) 7 hundredths \(=\)
 
2. 7 thousands \(+\) 7 tens \(+\) 4 ones \(+\) 1 hundredths \(+\) 3 thousandths \(=\)
 
[Note: Insert decimal point if necessary]