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If the denominator is more than double the numerator, then the fraction is less than a half.

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Q: How could you use the relationship between the numerator and denominator of fractions equivalent to one half to determine if a fraction is less than one half?

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The denominator must be double the numerator.

Convert them into equivalent fractions with the same denominator and then compare the numerators.

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You look for a common denominator; convert the fractions to equivalent fractions with the denominator you found; then you do the addition itself.

No. Like fractions have the same denominator.

Divide the denominator into the numerator. If the answers are the same decimal, the fractions are equivalent.

That is how equivalent fractions are defined!

Fractions can only be added or subtracted if the denominators are the same. If the denominators are different, then the fractions need to be made into equivalent fractions with the same denominator. The new denominator can be found simply by multiplying the denominators together, but this can lead to some large fractions with which to work. A better new denominator is the lowest common multiple of (all the) denominators. (Once the new denominator is found, the fractions' new numerators are found by multiplying their current numerator by the new denominator divided by their current denominator to make their equivalent fractions with the new denominator.) Once all the fractions are converted into equivalent fractions with the new denominator then the fractions can be added or subtracted, with the result being simplified (if possible).

No, they are improper fractions. They can be equivalent to integers if the numerator is a multiple of the denominator.

If you are adding or subtracting unlike fractions, convert them to equivalent fractions with a common denominator.

Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.

To compare two fractions, find a common denominator, then convert each fraction to equivalent fractions with that common denominator. Finally, you compare the numerators. 5/6

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