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

The video tutorial explains how to add mixed numbers with different denominators. It begins by identifying the need to find a common denominator, then adds the whole numbers separately. The tutorial demonstrates converting fractions to equivalent forms with a common denominator and concludes by adding the fractions and combining them with the whole numbers to find the final answer.

What is the first step when adding mixed numbers with different denominators?

• Add the whole numbers separately

• Convert fractions to decimals

• Find the lowest common denominator

• Add the fractions directly

How do you find the lowest common denominator for 1/5 and 1/10?

• Add the denominators

• Find the smallest number both denominators divide into

• Multiply the denominators

• Subtract the smaller denominator from the larger one

What is the equivalent fraction of 1/5 when converted to have a denominator of 10?

• 10/10

• 1/10

• 2/10

• 5/10

After converting fractions to have the same denominator, what is the next step?

• Add the numerators

• Divide the numerators

• Subtract the numerators

• Multiply the numerators

What is the final answer when adding 1 1/5 and 2 1/10?

• 3 1/5

• 3 2/5

• 3 3/10

• 3 4/10