How to subtract fractions with unlike denominators and negative answers

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.

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

• Multiply the fractions

• Find a common denominator

• Add the numerators directly

• Subtract the denominators

In the example of 1/6 minus 2/3, what is the equivalent fraction of 2/3 with a denominator of 6?

• 2/6

• 5/6

• 3/6

• 4/6

What is the result of subtracting 1/6 from 4/6?

• 2/6

• 0/6

• 1/6

• 3/6

When subtracting 2/7 from 5/14, what is the common denominator used?

• 7

• 14

• 28

• 21

What is the simplified form of the fraction -3/6?

• -1/3

• -1/2

• -2/3

• -3/2