Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
779,422,863,381/900,000,000,033
- The integer number above the bar is called numerator: 779,422,863,381
- The integer number below the bar is called denominator: 900,000,000,033
- 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 = 779,422,863,381 ÷ 900,000,000,033
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:
779,422,863,381 = 3 × 41 × 587 × 10,795,181
779,422,863,381 is a composite number.
900,000,000,033 = 3 × 41 × 2,003 × 3,653,057
900,000,000,033 is a composite number.
779,422,863,381/900,000,000,033 =
(779,422,863,381 ÷ 123) / (900,000,000,033 ÷ 123) =
6,336,771,247/7,317,073,171
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.
779,422,863,381/900,000,000,033 =
(3 × 41 × 587 × 10,795,181)/(3 × 41 × 2,003 × 3,653,057) =
((3 × 41 × 587 × 10,795,181) ÷ (3 × 41)) / ((3 × 41 × 2,003 × 3,653,057) ÷ (3 × 41)) =
(587 × 10,795,181)/(2,003 × 3,653,057) =
6,336,771,247/7,317,073,171
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
6,336,771,247/7,317,073,171 =
6,336,771,247 ÷ 7,317,073,171 =
0.866025403725 ≈
0.87