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in adding and subtracting dissimilar rational algebraic expression what is the first thing to do?

a. find the GCF
b.Find the LCM
c. Find the common denominator
d. find the LCD​

Sagot :

Answer:

b. find the lcm

Step-by-step explanation:

To add or subtract rational expressions with unlike denominators, first find the LCM of the denominator. The LCM of the denominators of fraction or rational expressions is also called least common denominator , or LCD. Write each expression using the LCD. Make sure each term has the LCD as its denominator.

Undercoveragent190idn

Answer:

B. Find the LCM

Step-by-step explanation:

To add or subtract rational expressions with unlike denominators, first find the LCM of the denominator. The LCM of the denominators of fraction or rational expressions is also called least common denominator , or LCD. Write each expression using the LCD. Make sure each term has the LCD as its denominator.

hope it helps! ^-^

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