# When posistive integer h is divided by 10, the remainder is 6. When the positive integer k is divided by 10, the remainder is 8. What is the remainder when h + k is divided by 10?

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When `h` is divided by 10, the remainder is 6, hence we can write

`h=10n+6`

Similarly we can write

`k=10m+8`

So we get

`h+k=10n+6+10m+8`

`h+k=10(n+m)+14`

`h+k=10(n+m)+10+4`

`h+k=10(n+m+1)+4`

**Hence when we divide** `h+k` **by 10 the remainder is 4.**