How to subtract mixed numbers by converting them to improper fractions

How to subtract mixed numbers by converting them to improper fractions

Assessment

Interactive Video

Mathematics, Science

11th Grade - University

Hard

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The video tutorial explains how to convert mixed numbers to improper fractions and subtract them. It covers two methods for solving the problem: subtracting whole numbers and fractions separately, or converting both to improper fractions. The tutorial demonstrates finding the least common denominator (LCD) to subtract fractions with different denominators and concludes with simplifying the result.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in converting a mixed number to an improper fraction?

Multiply the whole number by the denominator and add the numerator

Add the numerator to the denominator

Subtract the numerator from the denominator

Divide the numerator by the whole number

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When subtracting fractions with different denominators, what must you find?

The greatest common factor

The difference of the denominators

The least common multiple

The sum of the numerators

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you adjust a fraction to have a new denominator?

Subtract the same number from both the numerator and denominator

Add the same number to both the numerator and denominator

Divide both the numerator and denominator by the same number

Multiply both the numerator and denominator by the same number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 35/16 from 92/16?

35/92

92/35

57/32

57/16

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you check for after subtracting fractions to ensure the result is in its simplest form?

If there are common factors between the numerator and denominator

If the denominator is a prime number

If the numerator is an even number

If the numerator is larger than the denominator