Calculating Perimeters and Fractions

The video tutorial explains how to calculate the perimeter of polygons involving mixed numbers and fractions. It demonstrates breaking down mixed numbers into whole and fractional parts, finding common denominators, and simplifying fractions. The tutorial includes examples with rectangles and quadrilaterals, showing step-by-step calculations and simplifications to arrive at the final perimeter in mixed number form.

What does calculating the perimeter of a polygon involve?

• Dividing all sides

• Multiplying all sides

• Adding all sides

• Subtracting all sides

How are mixed numbers broken down for easier calculation?

• Into decimal and integer parts

• Into decimal and fractional parts

• Into whole and decimal parts

• Into whole and fractional parts

What is the first step in finding a common denominator for fractions?

• Subtract the numerators

• Multiply the denominators

• Divide the denominators

• Add the numerators

After finding a common denominator, what is the next step?

• Multiply the fractions

• Subtract the fractions

• Divide the fractions

• Add the fractions

How do you convert an improper fraction to a mixed number?

• Divide the numerator by the denominator

• Multiply the numerator by the denominator

• Add the numerator to the denominator

• Subtract the numerator from the denominator

What is the common denominator for fractions with denominators 3 and 4?

• 6

• 12

• 15

• 9

What is the result of adding fractions with a common denominator of 12?

• 13/12

• 52/12

• 39/12

• 26/12

How do you simplify a fraction like 26/12?

• Multiply both numerator and denominator by 2

• Divide both numerator and denominator by 2

• Add 2 to both numerator and denominator

• Subtract 2 from both numerator and denominator

What is the first step in dealing with a quadrilateral's sides?

• Find the area

• Subtract all sides

• Find a common denominator

• Multiply all sides

How do you simplify the fraction 18/20?

• Multiply both by 2

• Divide both by 2

• Subtract 2 from both

• Add 2 to both