Casting Out Nines/Examples

Examples of Use of Casting Out Nines

$61 \, 934$ and $38 \, 247$

We have:

\(\ds \dr {61 \, 934}\)

\(=\)

\(\ds 5\)

\(\ds \dr {38 \, 247}\)

\(=\)

\(\ds 6\)

\(\ds \leadsto \ \ \)

\(\ds \dr {61 \, 934 + 38 \, 247}\)

\(=\)

\(\ds 2\)

\(\ds \dr {61 \, 934 - 38 \, 247}\)

\(=\)

\(\ds 8\)

\(\ds \dr {61 \, 934 \times 38 \, 247}\)

\(=\)

\(\ds 3\)