Answer:
Below in bold.
Explanation:
This is a subtraction.
4 7 - - 0 4
- - 1 3 4 -
4 0 4 3 5 7
The 7 in the result is the result o 14 - 7 so the last digit of 2nd no. is 7
4 7 - - 0 4
- - 1 3 4 7
4 0 4 3 5 7
The second '-' on the top row is 7 ( from 7 - 4). The 4 comes from the number 3 being increased by 1 ( carried form the second column).
4 7 - 7 0 4
- - 1 3 4 7
4 0 4 3 5 7
The first '-' on the top row is 5 ( 5 - 1) = 4)
4 7 5 7 0 4
- - 1 3 4 7
4 0 4 3 5 7
As the second digit on bottom row is 0 The first '-' on second row must be 7.
4 7 5 7 0 4
- 7 1 3 4 7
4 0 4 3 5 7