Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
154,285,714,294/180,000,000,000
- The integer number above the bar is called numerator: 154,285,714,294
- The integer number below the bar is called denominator: 180,000,000,000
- 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 = 154,285,714,294 ÷ 180,000,000,000
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:
154,285,714,294 = 2 × 77,142,857,147
154,285,714,294 is a composite number.
Written with exponents:
180,000,000,000 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 = 211 × 32 × 510
180,000,000,000 is a composite number.
154,285,714,294/180,000,000,000 =
(154,285,714,294 ÷ 2) / (180,000,000,000 ÷ 2) =
77,142,857,147/90,000,000,000
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.
154,285,714,294/180,000,000,000 =
(2 × 77,142,857,147)/(211 × 32 × 510) =
((2 × 77,142,857,147) ÷ 2) / ((211 × 32 × 510) ÷ 2) =
77,142,857,147/(210 × 32 × 510) =
77,142,857,147/90,000,000,000
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
77,142,857,147/90,000,000,000 =
77,142,857,147 ÷ 90,000,000,000 =
0.857142857189 ≈
0.86