What is 1 and 9/20 as a Decimal?

Fraction to Decimal Converter
Fraction to convert

What is 1 9/20 as a decimal?

Answer

Fraction 1 9/20 as a decimal is
1.45

Exact, terminating: denominator 20 = 2 × 2 × 5 has only 2s and 5s · 2 decimal places

1 9/20: whole part, then 9 ÷ 20

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

remainder×10= digit × 20 + new remainderdigit
9904 × 20 + 104
101005 × 20 + 05

The remainder reaches 0 after 2 steps → 0.45 ends.

1 + 0.45 = 1.45

See Also

Fraction to Decimal Conversion Table

FractionDecimal
1 9/101.9
1 9/111.81
1 9/121.75
1 9/131.692307
1 9/141.6428571
1 9/161.5625
1 9/181.5
1 9/191.473684210526315789
1 9/201.45

FAQ

What is 1 9/20 as a decimal?

Fraction 1 9/20 as a decimal is 1.45

How do you convert 1 9/20 to a decimal?

To convert 1 9/20 to a decimal, divide the numerator by the denominator, 9 ÷ 20 = 0.45, then add the whole part: 1 + 0.45 = 1.45.

Why is 1 9/20 a terminating decimal?

In lowest terms its denominator 20 = 2 × 2 × 5 has no prime factors other than 2 and 5, so the division ends after 2 decimal places: 1 9/20 = 1.45.

What is 1 9/20 as a percent?

Multiply by 100: 1 9/20 = 145%.