A fraction where the denominator (the bottom number) is a power of ten (such as 10, 100, 1000, etc). You can write decimal fractions with a decimal point (and no denominator), which makes it easier to do calculations like addition and multiplication on fractions.

How to Convert 1/5 as a Decimal

1/5 is expanded to 20/100 by multiplying the numerator by 20 and the denominator by 20.

```
1 1 x 20 20
---- = ---------- = ------- = 0.2
5 5 x 20 100
```

**Fraction to Decimal Method 2**

Use log division to divide the fraction’s numerator by the fraction’s denominator.

Calculate 1/5 by a long division of 1 divided by 2:

```
5 | 10 | 0.2
10
-----
0
```

Therefore, 1/5 is 0.2 as a decimal.

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