Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
136,549,869/300,000,000,018
- The integer number above the bar is called numerator: 136,549,869
- The integer number below the bar is called denominator: 300,000,000,018
- 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 = 136,549,869 ÷ 300,000,000,018
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:
136,549,869 = 3 × 37 × 107 × 11,497
136,549,869 is a composite number.
300,000,000,018 = 2 × 3 × 3,947 × 12,667,849
300,000,000,018 is a composite number.
136,549,869/300,000,000,018 =
(136,549,869 ÷ 3) / (300,000,000,018 ÷ 3) =
45,516,623/100,000,000,006
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.
136,549,869/300,000,000,018 =
(3 × 37 × 107 × 11,497)/(2 × 3 × 3,947 × 12,667,849) =
((3 × 37 × 107 × 11,497) ÷ 3) / ((2 × 3 × 3,947 × 12,667,849) ÷ 3) =
(37 × 107 × 11,497)/(2 × 3,947 × 12,667,849) =
45,516,623/100,000,000,006
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
45,516,623/100,000,000,006 =
45,516,623 ÷ 100,000,000,006 =
0.00045516623 ≈
0