adding and subtracting fractions

• $21\ \frac{3}{10}$

• $1\ \frac{1}{4}$

• $1\ \frac{2}{5}$

• $1\ \frac{5}{8}$

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.7.NS.A.1C

The following shows:

• least common denominator

• mixed number

• improper fraction

• greatest common factor

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

 $11\ \frac{2}{3}\ -5\ \frac{1}{6}$  

•  $4\ \frac{2}{2}$  

•  $4\ \frac{3}{4}$  

•  $4\ \frac{1}{4}$  

•  $6\frac{1}{2}$  

Tags

CCSS.7.NS.A.1C

 $2\ \frac{1}{2}\ +\ 1\ \frac{3}{4}$  

•  $4\ \frac{2}{4}$  

•  $4\ \frac{3}{4}$  

•  $4\ \frac{1}{4}$  

•  $6\frac{1}{2}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is equivalent to ¾?

• 7/12

• 15/20

• 12/20

• 1 and 1/4

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 3/56

• 18/56

• 4/15

• 29/56

Tags

CCSS.7.NS.A.1C

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• $21\ \frac{3}{10}$

• $1\ \frac{1}{4}$

• $1\ \frac{2}{5}$

• $1\ \frac{5}{8}$

Tags

CCSS.7.NS.A.1C

The picture shows:

• greatest common factor

• least common multiple

• equivalent fractions

• common factors

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1