Mastering Addition of Fractions with Different Denominators

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

• Multiply the denominators together

• Subtract the smaller denominator from the larger one

• Find a common denominator

• Add the numerators directly

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common multiple (LCM) of 9 and 12?

• 18

• 27

• 45

• 36

To convert 4/9 to a fraction with a denominator of 36, what should you multiply the numerator and denominator by?

• 2

• 3

• 4

• 5

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is 4/9 converted to a fraction with a denominator of 36?

• 20/36

• 18/36

• 16/36

• 12/36

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is 11/12 converted to a fraction with a denominator of 36?

• 22/36

• 33/36

• 30/36

• 28/36

What is the sum of 16/36 and 33/36?

• 48/36

• 50/36

• 47/36

• 49/36

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Is 49/36 in its simplest form?

• Yes

• No, it can be simplified further

• Yes, but it is an improper fraction

• No, it should be converted to a mixed number

How many times does 36 go into 49?

• 4 times

• 1 time

• 2 times

• 3 times

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is the remainder when 49 is divided by 36?

• 15

• 14

• 13

• 12

Tags

CCSS.4.OA.B.4

What is the final answer when 4/9 and 11/12 are added and converted to a mixed number?

• 1 and 12/36

• 1 and 14/36

• 1 and 13/36

• 1 and 15/36

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2