Answer:
779 : 1800
Step-by-step explanation:
You apparently want to express the ratio 0,779 : 1,8 as the ratio of two integers.
Equivalent fractions
Fractions equivalent to one you have can be created by multiplying numerator and denominator by the same factor. To make the decimal fraction 0,779 into an integer, you can multiply it by 1000. To make the ratio equivalent, you also multiply the other number by 1000.
0,779 : 1,8 = (0,779)(1000) : (1,8)(1000) = 779 : 1800
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Additional comment
The prime factors of 779 are 19 and 41. The prime factors of 1800 are 2³, 3², and 5². There are no common factors, so this form is as simplified as it can be.
You can generally change ratios of fractions or mixed numbers to a ratio of integers by multiplying both parts by their least common denominator.
0,779 = 779/1000 and 1,8 = 18/10
Their LCD is 1000.
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