Fractions

Fraction Parts

100

What is a fraction?

What is a part of a whole?

200

What is a proper fraction?

Numerator is smaller than denominator

300

What is an improper fraction?

Numerator is the same as or bigger than the denominator

400

What is a mixed number?

a whole number and a fraction

500

To add or subtract fractions, what do they both need to have?

Common denominator

Adding and Subtracting with like denominators

100

3/7 + 1/7

4/7

200

6/9 + 2/9

8/9

300

7/11 - 1/11

6/11

400

7/9 - 3/9

4/9

500

42/96 - 4/96

38/96

Adding and Subtracting with unlike denominators

100

2/8 + 1/4

4/8

200

3/12 + 1/2

9/12

300

2/5 - 4/10

0/10

400

1/2 - 3/11

5/22

500

6/11 + 3/9

87/99

Adding and Subtracting mixed numbers

100

4  1/4 + 1/2

4 3/4 or 19/4

200

5   7/8 + 1

6  7/8  or 55/8

300

5  5/6 + 2  1/2

8 1/3 or 25/3

400

18  9/10 - 9  1/2

9  2/5  or  47/5

500

12 - 10  1/2

1  1/2 or 3/2

Mystery

100

What is the process of finding a common denominator called?

What is least common denominator?

200

What is the least common denominator? of 2/4 and 1/3

12

300

What is the least common multiple of 9 and 6?

18

400

6  5/7 - 1/2

6  3/14 or 87/14

500

18  1/2  -  8  2/9

10  5/18 or 185/18