2. Write the number as a proper fraction.
- 0.18282828285 can be written as a proper fraction.
- A proper fraction = the numerator is smaller than the denominator..
Write down the number divided by 1, as a fraction:
0.18282828285 = 0.18282828285/1
Turn the top number into a whole number.
- Multiply both the top and the bottom by the same number.
- This number is: 100,000,000,000.
- 1 followed by as many 0-s as the number of digits after the decimal point.
0.18282828285/1 =
(0.18282828285 × 100,000,000,000)/(1 × 100,000,000,000) =
18,282,828,285/100,000,000,000
3. Reduce (simplify) the fraction above:
18,282,828,285/100,000,000,000
to the lowest terms, to its simplest equivalent form, irreducible.
To reduce a fraction to the lowest terms divide the numerator and denominator by their greatest (highest) common factor (divisor), GCF.
Factor the numerator and denominator (prime factorization).
18,282,828,285 = 32 × 5 × 406,285,073
100,000,000,000 = 211 × 511
Calculate the greatest (highest) common factor (divisor), GCF.
Multiply all the common prime factors by the lowest exponents.
GCF (32 × 5 × 406,285,073; 211 × 511) = 5
Divide both the numerator and the denominator by their GCF.
18,282,828,285/100,000,000,000 =
(32 × 5 × 406,285,073)/(211 × 511) =
((32 × 5 × 406,285,073) ÷ 5) / ((211 × 511) ÷ 5) =
(32 × 406,285,073)/(211 × 510) =
3,656,565,657/20,000,000,000