Math 3.13 Subtraction of Fractions

Subtract 5/7−2/5

• 11/35

• 22/70

• 1/2

• 12/35

Tags

CCSS.7.NS.A.1C

Subtract.

2/3−3/8

• 5/11

• 7/24

• 14/24

• 1/4

Tags

CCSS.7.NS.A.1C

Eloise practiced piano for 2/5 of an hour. Sarah practiced piano for 3/4 of an hour.

How much longer did Sarah practice than Eloise?

• 1/4

• 5/20

• 7/20

• 14/40

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jordan ran 7/8 mile on Monday and 5/6 mile on Tuesday.

How much farther did Jordan run on Monday than on Tuesday?

• 1/2

• 12/14

• 1/24

• 2/48

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

​5/12−2/5=1/60

• The answer​ 1/60 ​is not reasonable because ​5/12​ is closer to ​1/2​ than to 1, and ​2/5​ is closer to 0 than to ​1/2, making the difference close to​ ​1/2
  

• The answer 1/60 is reasonable because both fractions are closer to 1  than they are to 1/2, making the difference close to 0.

• The answer 1/60 is reasonable because both fractions are closer to 1/2 than they are to 0, making the difference close to 0.

• The answer 1/60 is not reasonable because ​5/12​ is closer to 1 than to ​1/2​, and ​2/5​ is closer to 0 than to ​1/2​making the difference close to 1/2.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Kiki has  1/6 pound of blueberries and  5/8 pound of raspberries.

What is the most accurate estimate for the difference between the pounds of berries?

• 1

• 0

• 1/2

• 100

Evan is hiking a trail that has a length of 5/6 mile. So far, he has hiked  2/5 mile.

What is the most accurate estimate for the distance Evan has left to hike?

• 10

• 1

• 1/2

• 0

17/21+1/3−5/7

• 6/14

• 1

• 3/7

• 0

Tags

CCSS.7.NS.A.1C

What is the value of this expression?

11/12−1/2+2/6

• 0

• 6/8

• 1/2

• 3/4

Tags

CCSS.7.NS.A.1C

Eric picks 5/8 basket of strawberries. Kiki picks 1/5 basket of strawberries.

Which answer is the most accurate estimate for how many more baskets of strawberries Eric picks than Kiki?

• 1/2 basket

• 3/4 basket

• 0 basket

• 1,000 baskets