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What do you call fractions with the same denominator?
common denominator
Why do you have to find a common denominator?
Addition or subtraction of fractions require "like" fractions: that is, fractions with the same denominator.
Do you need a common denominator for all fractions before doing the order of operations?
You DO need a common denominator to add, subtract, or compare fractions. You DO NOT need a common denominator to multiply or divide fractions.
When dealing with fractions with two different numbers on the bottom this is a number which both bottom numbers divide into evenly?
Common Denominator
A denominator that is the same in two or more fractions?
A "common denominator"
What is the greatest common denominator of 60?
In order to have a greatest common denominator, there has to be two numbers and they both have to be fractions. 60 has no greatest common denominator.
Is it always necessary to find the least common denominator to compare the sizes of fractions?
When comparing fractions you must find a common denominator; by finding the least common denominator it will keep the numbers (numerators and denominator) smaller .
How do you add rational numbers?
By finding their common denominator & adding the top numbers of-the fractions. : )
How do I add improper fractions?
Change them into mixed numbers and add the integers and fractions together ensuring that the fractions have a common denominator.
How do you put fractions and mixed numbers from least to greatest?
Change the mixed numbers to improper fractions, find a common denominator and proceed.
How do you get the common denominator for dividing fractions?
You don't need a common denominator to divide fractions.
What is the least common denominator of 5 over 12?
Two or more fractions or mixed numbers are required to have a least common denominator.
How is adding fractions like adding whole numbers... How is it different?
Similarities: the sum does not depend on which number you start with (distributive)Differences: you must find a common denominator for the fractions (whole numbers have a common denominator [1]
When adding or subtracting two fractions with denominators that are not equal what is the first step you take?
The first step to take is find the lowest common denominator of the fractions which can be done by finding the lowest common multiple of the numbers.
What is the least common denominator of two fractions?
The least common denominator is the least common multiple of the denominators of the fractions.
How do you change a fraction so they have the same denominator?
First, find a common denominator for the two (or more) fractions. Then, for each fraction, multiply numerator and denominator by the same number (different numbers for different fractions, though), to convert to the common denominator.
How is finding the least common multiple of two numbers helpful to adding fractions?
When those two numbers are the denominators of unlike fractions, finding the LCM (in this case, the LCD or least common denominator) and converting the unlike fractions to equivalent fractions with the same denominator will allow you to add and subtract them.
