KS2 Primary Maths Age 9-13 - Fraction: - Explained

The video tutorial explains how to compare two fractions, 3/4 and 4/5, by finding a common denominator. The instructor discusses different methods for comparison, such as converting to decimals or using a common denominator. The lowest common denominator is identified as 20, and both fractions are converted to equivalent fractions with this denominator. The comparison shows that 4/5 is larger than 3/4. The tutorial concludes with an explanation of the marks awarded for the solution.

What are the two methods mentioned for comparing fractions?

• Converting to decimals or finding a common denominator

• Subtracting the fractions or converting to percentages

• Adding the fractions or finding a common numerator

• Multiplying the fractions or finding a common factor

What is the lowest common denominator used for 3/4 and 4/5?

• 10

• 15

• 20

• 25

How is 3/4 converted into twentieths?

• Multiply numerator by 4 and denominator by 5

• Multiply numerator by 5 and denominator by 4

• Multiply both numerator and denominator by 5

• Multiply both numerator and denominator by 4

What is the equivalent of 4/5 in twentieths?

• 15/20

• 19/20

• 18/20

• 16/20

Which fraction is larger after conversion?

• 4/5

• Cannot be determined

• 3/4

• Both are equal