2. Write the number as a proper fraction.
- 0.12098371838 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:
0.12098371838 = 0.12098371838/1
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.
0.12098371838/1 =
(0.12098371838 × 100,000,000,000)/(1 × 100,000,000,000) =
12,098,371,838/100,000,000,000
3. Reduce (simplify) the fraction above:
12,098,371,838/100,000,000,000
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).
12,098,371,838 = 2 × 7 × 67 × 12,898,051
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 (2 × 7 × 67 × 12,898,051; 211 × 511) = 2
Divide both the numerator and the denominator by their GCF.
12,098,371,838/100,000,000,000 =
(2 × 7 × 67 × 12,898,051)/(211 × 511) =
((2 × 7 × 67 × 12,898,051) ÷ 2) / ((211 × 511) ÷ 2) =
(7 × 67 × 12,898,051)/(210 × 511) =
6,049,185,919/50,000,000,000