Best Answer

x : y = x / x + y

54 : 30 = 54 / 54 + 30

1 + 30 = 31

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Q: How do you write the ratio 54:30 as a fraction in simplest form, with whole numbers in the numerator and denominator?

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If the numerator and denominator are prime numbers and not equal then they don't have common factors (except 1 which would be a common factor even if the numerator and denominator were prime numbers).

It is the fraction in its simplest form.

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A fraction is in simplest form if both its numerator and denominator are whole numbers and their only common factor is 1.

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irreducible fraction An irreducible fraction (or fraction in lowest terms, simplest form or reduced fraction) is a fraction in which the numerator and denominator are integers that have no other common divisors than 1 (and −1, when negative numbers are considered).

Find the GCF of the numerator and the denominator and divide both numbers by it. If the GCF is 1, the fraction is already in its simplest form.

A fraction is in simplest form if both its numerator and denominator are whole numbers and their only common factor is 1.

Their GCF is 1.

You have to make sure both the numerator and denominator are prime numbers, and if they aren't, then it's not in simplest form. Also, the denominator shouldn't be divisible by the numerator, which sort of falls in to the prime number category. Hope this helped. :) I'm really good with numbers. :)