Subtracting Fractions with Unlike Denominators

Subtracting Fractions with Unlike Denominators

Assessment

Interactive Video

Mathematics, Science

5th - 7th Grade

Hard

Created by

Sophia Harris

FREE Resource

The video tutorial explains how to subtract fractions with unlike denominators by finding a common denominator using factor trees. It demonstrates organizing prime numbers to determine the least common multiple, rewriting fractions, and performing the subtraction. The tutorial concludes with a simplified result and a message encouraging kindness.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of the video?

Adding fractions with like denominators

Subtracting fractions with unlike denominators

Multiplying fractions

Dividing fractions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is suggested for finding a common denominator?

Using a number line

Using a graph

Using a factor tree

Using a calculator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using a factor tree in the video?

To multiply fractions

To add fractions

To find prime factors

To divide fractions

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the prime factors of 4?

2 and 5

3 and 3

2 and 2

2 and 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the common denominator found in the video?

6

12

8

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many times does 4 go into 12?

6 times

2 times

4 times

3 times

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 3/4 minus 5/6?

-1/12

1/6

1/12

-1/6

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the result of the subtraction already simplified?

Because the numerator cannot be reduced further

Because the numerator is 0

Because the denominator is 1

Because the numerator is 1

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final message of the video?

Practice makes perfect

Kindness multiplies kindness

Math is fun

Always double-check your work