Best Answer

If the sum of the numerators is greater than the denominator the sum is greater than 1.

If the sum of the numerators is equal to the denominator the sum is equal to 1.

If the sum of the numerators is less than the denominator the sum is less 1.

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Q: How can you tell whether the sum of two fractions with a common denominator is greater than 1 less than 1 or equal to?

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You find the common denominator for both fractions and which ever has the highest numerator is greater.

When the numerator is less than the denominator then it is a common fraction but if the numerator is greater than the denominator then it is an improper fraction.

The least common denominator is the least common multiple of the denominators of the fractions.

A common denominator is needed when adding or subtracting fractions of different denominators.

Two ways: If they're unlike fractions, convert them to like fractions with a common denominator and compare numerators. Convert them to decimals by dividing their denominators into their numerators and see which is greater.

Related questions

A fraction is greater than one if the the top number (numerator) is greater than the lower number (denominator).

You find the common denominator for both fractions and which ever has the highest numerator is greater.

When the numerator is less than the denominator then it is a common fraction but if the numerator is greater than the denominator then it is an improper fraction.

if you are adding two fractions that are both greater than 1/2, what must be true about the sum?

That Would be a Terminating Fraction i think.

You don't need a common denominator to divide fractions.

Convert the fractions to a common denominator, then compare.

The least common denominator is the least common multiple of the denominators of the fractions.

If you mean the steps, they are as follows:* Identify a common denominator. Any common denominator will do. * Convert both fractions to equivalent fractions, with the common denominator found in the previous step. (If the fractions start off with the same denominator, there is nothing else to do in these first two steps.) * Add the numerators. That's the numerator of the result. Copy the common denominator as the denominator of the result. * Check whether you can simplify the resulting fraction.

Like Fractions

Just multiply the two denominators of your fractions, the answer you get is a common denominator.

Not always. If one denominator is a multiple of the other, the LCD will be the larger one.