Chapter 1D: Add & Subtract Fractions Flashcards by Jamie Mcpherson | Brainscape

Q

1/2 + 1/3

A

3/6 + 2/3

= 5/6

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Q

2/3 + 1/7

A

14/21 + 3/21

= 17/21

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Q

1/4 + 1/6

A

3/12 + 2/12

= 5/12

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Q

1/5 + 2/6

A

6/30 + 10/30

= 16/30 = 8/15

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Q

2/7 + 5/14

A

4/14 + 5/14

= 9/14

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Q

3/6 + 2/4

A

6/12 + 6/12

= 12/12 = 1

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Q

3/10 + 9/30

A

9/30 + 9/30

= 18/30 = 3/5

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Q

1/2 + 4/10

A

5/10 + 4/10

= 9/10

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Q

3/4 + 1/5

A

15/20 + 4/20

= 19/20

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Q

1/9 + 1/11

A

11/99 + 9/99

= 20/99

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Q

1/3 + 5/13

A

13/39 + 15/39

= 28/39

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Q

2/12 + 3/5

A

10/60 + 36/60

= 46/60 = 23/30

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Q

3/7 + 3/8

A

24/56 + 21/56

= 45/56

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Q

11/15 + 3/30

A

22/30 + 3/30

= 25/30 = 5/6

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Q

1/6 + 1/2

A

1/6 + 3/6

= 4/6 = 2/3

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Q

2/5 + 2/11

A

22/55 + 10/55

= 32/55

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Q

8/9 + 1/10

A

80/90 + 9/90

= 89/90

Q

1/2 + 1/8

A

1/8 + 4/8

= 5/8

Q

1/5 + 16/20

A

4/20 + 16/20

= 20/20 = 1

Q

Fractions cannot be added or subtracted unless they have ________.

A

The Same Denominator

Q

Equivalent fractions are fractions that ____________.

A

Represent the same amount.

Q

1/2 - 1/3

A

3/6 - 2/6

= 1/6

Q

1/4 - 1/5

A

5/20 - 4/20

= 1/20

Q

1/6 - 1/7

A

7/42 - 6/42

= 1/42

Q

1/8 - 1/9

A

9/72 - 8/72

= 1/72

Q

3/4 - 1/3

A

9/12 - 4/12

= 5/12

Q

3/5 - 2/6

A

18/30 - 10/30

= 8/30 = 4/15

Q

3/7 - 2/8

A

24/56 - 14/56

= 10/56 = 5/28

Q

5/10 - 1/9

A

45/90 - 10/90

= 35/90 = 7/18

Q

2/8 - 1/4

A

2/8 - 2/8

= 0/8 = 0

Q

4/5 - 1/10

A

8/10 - 1/10

= 7/10

Q

3/4 - 3/6

A

9/12 - 6/12

= 3/12 = 1/4

Q

4/15 - 1/5

A

4/15 - 3/15

= 1/15

Q

18/20 - 3/5

A

18/20 - 12/20

= 6/20 = 3/10

Q

5/9 - 1/3

A

5/9 - 3/9

= 2/9

Q

4/8 - 30/80

A

40/80 - 30/80

= 10/80 = 1/8

Q

2/9 - 1/12

A

8/36 - 3/36

= 5/36

Q

9/10 - 1/2

A

9/10 - 5/10

= 4/10 = 2/5

Q

2/4 - 3/6

A

6/12 - 6/12

= 0/12 = 0

Q

3/9 - 1/5

A

15/45 - 9/45

= 6/45 = 2/15