KS2 Primary Maths Age 13-17 - Fractions, Decimals and Percentages: Adding and Subtracting Fractions - Explained

The video tutorial explains how to convert mixed fractions to improper fractions, find the lowest common multiple for denominators, and perform subtraction with fractions having different denominators. It also discusses the concept of equivalent fraction answers, emphasizing that various forms of the same fraction are acceptable as correct answers.

How do you convert the mixed number 2 1/2 into an improper fraction?

• 4/2

• 7/2

• 5/2

• 3/2

What is the lowest common multiple of the denominators 2 and 4?

• 4

• 8

• 6

• 2

What is the equivalent fraction of 5/2 when converted to have a denominator of 4?

• 10/4

• 8/4

• 12/4

• 6/4

What is the result of subtracting 3/4 from 10/4?

• 7/4

• 9/4

• 5/4

• 3/4

Which of the following is NOT an equivalent form of 7/4?

• 1.75

• 1 3/4

• 7/4

• 2.25