2. Write the number as a proper fraction.
- 0.145454545455 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:
0.145454545455 = 0.145454545455/1
Turn the top number into a whole number.
- Multiply both the top and the bottom by the same number.
- This number is: 1,000,000,000,000.
- 1 followed by as many 0-s as the number of digits after the decimal point.
0.145454545455/1 =
(0.145454545455 × 1,000,000,000,000)/(1 × 1,000,000,000,000) =
145,454,545,455/1,000,000,000,000
3. Reduce (simplify) the fraction above:
145,454,545,455/1,000,000,000,000
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).
145,454,545,455 = 3 × 5 × 67 × 144,730,891
1,000,000,000,000 = 212 × 512
Calculate the greatest (highest) common factor (divisor), GCF.
Multiply all the common prime factors by the lowest exponents.
GCF (3 × 5 × 67 × 144,730,891; 212 × 512) = 5
Divide both the numerator and the denominator by their GCF.
145,454,545,455/1,000,000,000,000 =
(3 × 5 × 67 × 144,730,891)/(212 × 512) =
((3 × 5 × 67 × 144,730,891) ÷ 5) / ((212 × 512) ÷ 5) =
(3 × 67 × 144,730,891)/(212 × 511) =
29,090,909,091/200,000,000,000