Operations with Fractions and Negatives

This video tutorial by Mr. J covers the process of adding and subtracting negative fractions. It begins with an introduction to the concept, explaining the need for a common denominator. The video then provides two examples each for addition and subtraction of negative fractions, demonstrating how to find the least common multiple and simplify the results. The tutorial also touches on the concept of subtracting a negative number, which results in an increase in value.

What is the first step when adding or subtracting fractions?

• Find a common numerator

• Find a common denominator

• Divide the fractions

• Multiply the fractions

What is the least common denominator for the fractions 3/5 and 1/3?

• 12

• 20

• 15

• 10

Tags

CCSS.7.NS.A.1C

When adding negative fractions, what should you do after finding a common denominator?

• Subtract the numerators

• Add the numerators

• Multiply the numerators

• Divide the numerators

What is the simplified form of -34/40?

• -17/40

• -34/20

• -17/20

• -34/80

Tags

CCSS.7.NS.A.1C

What is the opposite of subtracting a positive fraction?

• Subtracting a negative fraction

• Multiplying by a negative fraction

• Adding a positive fraction

• Adding a negative fraction

What is the least common denominator for the fractions 3/4 and 1/6?

• 12

• 6

• 18

• 24

Tags

CCSS.7.NS.A.1C

When subtracting negative fractions, what operation can you perform instead?

• Subtract the opposite

• Divide the fractions

• Multiply the fractions

• Add the opposite

What is the simplified form of 17/30?

• 17/15

• 34/60

• 34/30

• 17/30

Tags

CCSS.7.NS.A.1C

What happens to the value when you subtract a negative number?

• It becomes zero

• It increases

• It stays the same

• It decreases

Tags

CCSS.7.NS.A.1C

Why is subtracting a negative number considered a positive action?

• It doubles the value

• It has no effect on the value

• It adds to the total value

• It reduces the total value

Tags

CCSS.7.NS.A.1C