What is 1 and 1/2 as a Decimal?

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What is 1 1/2 as a decimal?

Answer

Fraction 1 1/2 as a decimal is
1.5

Exact, terminating: denominator 2 has only 2s and 5s · 1 decimal place

1 1/2: whole part, then 1 ÷ 2

Whole part 1 stays in front; divide the fraction part:

remainder×10= digit × 2 + new remainderdigit
1105 × 2 + 05

The remainder reaches 0 after 1 step → 0.5 ends.

1 + 0.5 = 1.5

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Recalculate with different values ↑

Fraction to Decimal Conversion Table

FractionDecimal
1 1/21.5
1 1/31.3
1 1/41.25
1 1/51.2
1 1/61.16
1 1/71.142857
1 1/81.125
1 1/91.1
1 1/101.1
1 1/111.09
1 1/121.083
1 1/131.076923
1 1/141.0714285
1 1/151.06
1 1/161.0625
1 1/171.0588235294117647
1 1/181.05
1 1/191.052631578947368421
1 1/201.05
1 1/251.04

FAQ

What is 1 1/2 as a decimal?

Fraction 1 1/2 as a decimal is 1.5

How do you convert 1 1/2 to a decimal?

To convert 1 1/2 to a decimal, divide the numerator by the denominator, 1 ÷ 2 = 0.5, then add the whole part: 1 + 0.5 = 1.5.

Why is 1 1/2 a terminating decimal?

In lowest terms its denominator 2 has no prime factors other than 2 and 5, so the division ends after 1 decimal place: 1 1/2 = 1.5.

What is 1 1/2 as a percent?

Multiply by 100: 1 1/2 = 150%.

See Also