Adding Fractions with Sums Greater Than One

In this video, Mr. J explains how to add fractions with sums greater than one whole. He provides two examples: adding 7/9 and 2/3, and adding 4/5 and 3/4. The video covers finding a common denominator, renaming fractions, adding them, and converting improper fractions to mixed numbers. Mr. J emphasizes checking if the fractional part of a mixed number can be simplified.

What is the first step when adding fractions with different denominators?

• Multiply the fractions

• Convert to decimals

• Find a common denominator

• Add the numerators directly

In Example 1, what is the least common denominator for 7/9 and 2/3?

• 9

• 6

• 3

• 12

How do you convert an improper fraction to a mixed number?

• Multiply the numerator by the denominator

• Subtract the denominator from the numerator

• Add the numerator and denominator

• Divide the numerator by the denominator

What is the mixed number form of 13/9?

• 2 and 1/9

• 1 and 3/9

• 1 and 4/9

• 1 and 5/9

In Example 2, what is the least common denominator for 4/5 and 3/4?

• 25

• 20

• 15

• 10

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the equivalent fraction of 4/5 with a denominator of 20?

• 8/20

• 20/20

• 12/20

• 16/20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 16/20 and 15/20?

• 31/20

• 33/20

• 32/20

• 30/20

Tags

CCSS.4.NBT.B.6

How many whole groups of 20 can be taken from 31?

• 0

• 1

• 2

• 3

Tags

CCSS.4.NBT.B.6

What is the remainder when 31 is divided by 20?

• 9

• 10

• 11

• 12

What is the mixed number form of 31/20?

• 1 and 9/20

• 1 and 10/20

• 1 and 11/20

• 1 and 12/20