Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
6,944,444,435/12,499,999,980
- The integer number above the bar is called numerator: 6,944,444,435
- The integer number below the bar is called denominator: 12,499,999,980
- The fraction bar means that the numerator is divided by the denominator.
- To get the fraction's value divide the numerator by the denominator:
The value = 6,944,444,435 ÷ 12,499,999,980
To reduce a fraction to the lowest terms equivalent: divide the numerator and denominator by their greatest common factor, GCF
To calculate the greatest common factor, GCF:
- 1. Factor the numerator and the denominator (into prime factors), build their prime factorizations.
- 2. Multiply all their common prime factors, taken by the lowest exponents.
1. Factor the numerator and the denominator:
To factor a number (into prime factors) - or, in other words, to break it down to prime factors - or, in other words, to build its prime factorization: find the prime numbers that multiply together to get that number.
The prime factorizations:
6,944,444,435 = 5 × 1,388,888,887
6,944,444,435 is a composite number.
Written with exponents:
12,499,999,980 = 2 × 2 × 3 × 5 × 13 × 23 × 641 × 1,087 = 22 × 3 × 5 × 13 × 23 × 641 × 1,087
12,499,999,980 is a composite number.
6,944,444,435/12,499,999,980 =
(6,944,444,435 ÷ 5) / (12,499,999,980 ÷ 5) =
1,388,888,887/2,499,999,996
Yet another method to reduce the fraction
To reduce a fraction without calculating the GCF: factor its numerator and denominator, then all the common prime factors are easily identified and crossed out.
6,944,444,435/12,499,999,980 =
(5 × 1,388,888,887)/(22 × 3 × 5 × 13 × 23 × 641 × 1,087) =
((5 × 1,388,888,887) ÷ 5) / ((22 × 3 × 5 × 13 × 23 × 641 × 1,087) ÷ 5) =
1,388,888,887/(22 × 3 × 13 × 23 × 641 × 1,087) =
1,388,888,887/2,499,999,996
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
1,388,888,887/2,499,999,996 =
1,388,888,887 ÷ 2,499,999,996 =
0.555555555689 ≈
0.56