How to add two fractions with unlike denominators & rationalize the denominators

How to add two fractions with unlike denominators & rationalize the denominators

Assessment

Interactive Video

Mathematics, Science

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to add fractions by finding a common denominator, specifically focusing on cases involving radicals. It covers determining the least common denominator (LCD) by multiplying denominators, rationalizing the denominator, and simplifying radicals. The tutorial emphasizes the importance of equivalent fractions and provides step-by-step guidance on handling complex fractions with radicals.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in adding two fractions with different denominators?

Add the denominators

Multiply the numerators

Find a common denominator

Subtract the smaller denominator from the larger one

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying a binomial by a radical, what must you remember to do?

Subtract the radical from each term

Multiply the radical by each term

Divide each term by the radical

Add the radical to each term

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying sqrt(5) by sqrt(5)?

25

sqrt(25)

10

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you simplify sqrt(50)?

sqrt(25) * sqrt(2)

sqrt(10) * sqrt(5)

sqrt(5) * sqrt(10)

sqrt(2) * sqrt(25)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can you add two radicals that are not the same?

Yes, always

Only if they are both square roots

No, never

Only if they have the same coefficient