Operations with Fractions

This video tutorial covers mixed operations with fractions, focusing on the order of operations (BODMAS) and solving problems using multiplication, addition, and subtraction. The instructor demonstrates how to simplify fractions by identifying common factors and finding the lowest common denominator (LCM) for addition and subtraction. Two examples are provided to illustrate these concepts, and viewers are encouraged to complete an activity to reinforce their learning.

What is the first step in solving fractions with mixed operations?

• Start with subtraction

• Follow the order of operations

• Multiply all numbers first

• Start with addition

When multiplying fractions, what should you look for to simplify the process?

• Common numerators

• Common factors

• Common multiples

• Common denominators

If you have the fractions 14/21 and 7/9, what common factor can you use to simplify them?

• 5

• 2

• 7

• 3

What is the result of multiplying 1/7 by 2/9?

• 2/9

• 1/63

• 2/63

• 1/9

When adding fractions with different denominators, what is the first step?

• Find a common numerator

• Find the lowest common denominator

• Add the numerators directly

• Multiply the denominators

What is the lowest common denominator of 3 and 4?

• 6

• 8

• 12

• 15

How do you convert 2/3 to have a denominator of 12?

• Multiply by 4/4

• Multiply by 2/2

• Multiply by 6/6

• Multiply by 3/3

What is the sum of 8/12 and 3/12?

• 9/12

• 11/12

• 10/12

• 12/12

In the expression 11/14 - 6/14, what is the result?

• 5/14

• 7/14

• 6/14

• 4/14

What is the lowest common denominator of 14 and 7?

• 28

• 14

• 7

• 21