#### Topic Content:

- Addition & Subtraction in Other Bases

### Example 1.6.1:

11.44_{eight} – 3.65_{eight} + 2.61_{eight}

**Apply BODMAS**

Rewrite 11.44_{8} – 3.65_{8} + 2.61_{8} as:

⇒ 11.44_{8} + 2.61_{8 }– 3.65_{8}

Answer = 10.4_{8}

### Example 1.6.2:

Work out the base in the following and use it to find the missing figures:

The highest number here is 5, therefore the bases can be 6, 7, e.t.c …….

**Let’s try Base 6**

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