Fraction Operations and Simplification

The video tutorial covers calculating fractions of a quantity and simplifying calculations by dividing first. It also explains reverse calculations to find fractions from two quantities and demonstrates simplifying fractions using common factors.

What mathematical operation is used to find a fraction of a given quantity?

• Division

• Multiplication

• Subtraction

• Addition

Why might it be beneficial to divide before multiplying when calculating fractions?

• It avoids the use of fractions.

• It simplifies the calculation by making numbers smaller.

• It makes the numbers larger.

• It is a faster method.

What is the result of dividing 72 by 4?

• 16

• 18

• 22

• 20

What is a common factor of 72 and 4 that can be used to simplify division?

• 5

• 3

• 2

• 6

What is the result of dividing 72 by 2 twice?

• 18

• 20

• 16

• 22

What is the result of multiplying 3 by 18?

• 52

• 54

• 58

• 56

How do you express 30 out of 72 as a mathematical operation?

• 30 + 72

• 30 - 72

• 30 / 72

• 30 x 72

What is the simplified form of the fraction 30/72?

• 5/12

• 6/12

• 8/12

• 7/12

What is the highest common factor of 5 and 12?

• 1

• 2

• 3

• 4

What is the simplified form of 30/72 if divided directly by 6?

• 8/12

• 7/12

• 6/12

• 5/12