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They are called like fractions.
In order to add or subtract fractions you will usually need to convert them to like fractions. Then you simply add or subtract the numerators (as required) to form the numerator of the answer. The same (or common) denominator is the denominator of the answer. You may need to simplify the resulting fraction.
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What is a fraction called when the numerator and denominator are the same?
That's an improper fraction.
What is a fraction called that has the numerator or denominator or both?
Proper fraction - A proper fraction is a fraction where the numerator (the top number) is less that the denominator (the bottom number). Proportion - An equation stating that two ratios are equivalent is called a proportion.
What is it called when a fraction with a numerator that is greater than or equal to its denominator?
An improper fraction has a numerator greater than the denominator. When the numerator and denominator are equal, that's called "1."
What do you do to the numerator in a lowest common denominator problem?
Multiply the numerator of the fraction by the same amount that you multiply the denominator of that fraction.
What is true when the numerator and the denominator of the fraction is equal?
If both the numerator AND denominator are the same... the fraction is an equivalent for the number 1
