How to subtract fractions with unlike denominators and negative answers

How to subtract fractions with unlike denominators and negative answers

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to subtract fractions with unlike denominators. It begins with an introduction to the concept of common denominators, followed by two examples. The first example demonstrates subtracting 1/6 from 2/3 by converting them to equivalent fractions with a common denominator. The second example involves subtracting 2/7 from 5/14, highlighting the process of finding a common denominator and simplifying the result. The tutorial emphasizes the importance of keeping the denominator the same while subtracting numerators.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step to take when adding or subtracting fractions with unlike denominators?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you convert fractions to have a common denominator?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What does it mean to have equivalent fractions when performing subtraction?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to represent a negative fraction visually.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final answer when subtracting 4/14 from 5/14?

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