Exploring Basic Operations with Fractions

This video tutorial covers the basics of adding, subtracting, multiplying, and dividing fractions. It explains how to find common denominators for addition and subtraction, and introduces the 'keep, change, flip' method for division. The tutorial also provides techniques for simplifying complex fraction operations by breaking down numbers into smaller factors.

What is the first step in adding the fractions 3/5 and 4/7?

• Add the numerators directly

• Find a common denominator

• Multiply the numerators

• Subtract the smaller fraction from the larger one

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of 7/8 minus 2/9 using the common denominator method?

• 47/72

• 41/35

• 63/72

• 47/35

Tags

CCSS.7.NS.A.1C

How do you find the least common denominator for the fractions 3/4, 5/3, and 7/2?

• Add all the denominators together

• List the multiples of each denominator and find the smallest common one

• Find the highest common factor

• Multiply all the denominators together

What is the least common multiple of 2, 3, and 4?

• 6

• 8

• 24

• 12

What is the result of adding 8/5, subtracting 2/3, and adding 9/4 using a common denominator?

• 191/60

• 135/60

• 56/60

• 96/60

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of multiplying 3/5 by 7/2?

• 15/14

• 14/15

• 10/21

• 21/10

Tags

CCSS.5.NF.B.6

How can you simplify the multiplication of large fractions like 24/27 and 45/30?

• Break down the numbers into smaller factors and cancel common factors

• Multiply the numerators and denominators directly

• Add the fractions first

• Divide the fractions first

Tags

CCSS.5.NF.B.6

What is the result of dividing 8/5 by 12/7 using the 'keep, change, flip' method?

• 14/15

• 15/14

• 56/35

• 35/56

Tags

CCSS.6.NS.A.1

What is the result of 4/3 divided by 9/5?

• 20/27

• 27/20

• 15/12

• 12/15

Tags

CCSS.6.NS.A.1

How do you simplify the division of 36/54 by 64/48?

• Multiply the fractions directly

• Use the 'keep, change, flip' method and then simplify

• Add the fractions first

• Subtract the fractions first

Tags

CCSS.7.NS.A.2A