Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
1,816,666,674/1,999,999,998
- The integer number above the bar is called numerator: 1,816,666,674
- The integer number below the bar is called denominator: 1,999,999,998
- 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 = 1,816,666,674 ÷ 1,999,999,998
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:
1,816,666,674 = 2 × 3 × 127 × 2,384,077
1,816,666,674 is a composite number.
Written with exponents:
1,999,999,998 = 2 × 3 × 3 × 3 × 3 × 37 × 333,667 = 2 × 34 × 37 × 333,667
1,999,999,998 is a composite number.
1,816,666,674/1,999,999,998 =
(1,816,666,674 ÷ 6) / (1,999,999,998 ÷ 6) =
302,777,779/333,333,333
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.
1,816,666,674/1,999,999,998 =
(2 × 3 × 127 × 2,384,077)/(2 × 34 × 37 × 333,667) =
((2 × 3 × 127 × 2,384,077) ÷ (2 × 3)) / ((2 × 34 × 37 × 333,667) ÷ (2 × 3)) =
(127 × 2,384,077)/(33 × 37 × 333,667) =
302,777,779/333,333,333
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
302,777,779/333,333,333 =
302,777,779 ÷ 333,333,333 =
0.908333337908 ≈
0.91