Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
16,666,666,710/29,999,999,980
- The integer number above the bar is called numerator: 16,666,666,710
- The integer number below the bar is called denominator: 29,999,999,980
- 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 = 16,666,666,710 ÷ 29,999,999,980
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:
16,666,666,710 = 2 × 3 × 5 × 31 × 47 × 381,301
16,666,666,710 is a composite number.
Written with exponents:
29,999,999,980 = 2 × 2 × 5 × 36,017 × 41,647 = 22 × 5 × 36,017 × 41,647
29,999,999,980 is a composite number.
16,666,666,710/29,999,999,980 =
(16,666,666,710 ÷ 10) / (29,999,999,980 ÷ 10) =
1,666,666,671/2,999,999,998
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.
16,666,666,710/29,999,999,980 =
(2 × 3 × 5 × 31 × 47 × 381,301)/(22 × 5 × 36,017 × 41,647) =
((2 × 3 × 5 × 31 × 47 × 381,301) ÷ (2 × 5)) / ((22 × 5 × 36,017 × 41,647) ÷ (2 × 5)) =
(3 × 31 × 47 × 381,301)/(2 × 36,017 × 41,647) =
1,666,666,671/2,999,999,998
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
1,666,666,671/2,999,999,998 =
1,666,666,671 ÷ 2,999,999,998 =
0.55555555737 ≈
0.56