Adding and Subtracting Fractions DAY TWO

Adding Fractions

100

Solve. 

1/4+4/5

^{double the points if you can also tell me the mixed number}

21/20 or 1 1/20

200

Solve. Double the points if you can tell me the mixed number IN SIMPLIEST FORM

2/5 + 15/10

1 9/10

300

3/4 + 2/6

26/24 or 1 2/24 or 1 1/12

400

3/3 + 1/2

1 1/2

500

DOUBLE KEOPARDY: If the numerator and denominator are the same, what does it equal? 

A WHOLE NUMBER

Subtracting Fractions

100

5/6 - 1/3

2/6

200

DOUBLE JEOPARDY: 

20/5 - 10/5

2

300

DOUBLE JEOPARDY 

1/2 - 3/6

0

400

4/15

4/15

500

What are the two names of the fractions when the numerator is larger than the denominator?

Top heavy fraction or improper fraction

Make a Mixed Number

100

100/25

4

200

34/5

6 4/5

300

67/3

22 1/3

400

85/4

21 1/4

500

When fractions have a common denominator they are called? 

LIKE FRACTIONS

Adding Mixed Numbers

100

DOUBLE JEOPARDY. Solve. 

1 3/4 + 2 3/8 =

4 1/8

200

DOUBLE JEOPARDY: 

5 5/7 + 2 3/5 =

8 11/35

300

DOUBLE JEOPARDY: Solve and find simplest form!

3 2/5 + 3 4/6

7 1/15

400

DOUBLE JEOPARDY: Solve. 

3 1/2 + 10 1/12

13 5/12

500

When adding OR SUBTRACTING mixed numbers what are the two ways you can solve?

1.) add or subtract the wholes first

2.) find a common denominator first

Subtracting Mixed Numbers

100

DOUBLE JEOPARDY GOING TO HAVE TO BORROW A WHOLE

3 1/5 - 1 3/4 =

1 9/20

200

DOUBLE JEOPARDY: 

6 1/2 - 10/2 =

1 1/2

300

TRIPLE JEOPARDY!!!!! EXTRA TOUGH!!! 

2 1/3 - 1 4/5

8/15

400

DOUBLE JEOPARDY: 

17/4 - 12/3

1/4

500

TRIPLE JEOPARDY!!! VERY TOUGH!!!! SIMPLIFY!!!

17 3/10 - 14 7/8

2 34/80 or 2 17/40