Fraction Basics and addition/subtraction

Simplifying, Comparing, Ordering Fractions

100

simplify: 2/6

 1/3

200

simplify: 9/27

 1/3

300

Compare the fractions

4/5  5/7

 4/5 >  5/7

400

compare the fractions:

7/8  3/4

 7/8  >  3/4

500

Ordering Fractions: Greatest-Least

5/6, 1/2, 4/5

1/2, 4/5,  5/6

Adding and Subtracting Like Fractions

100

subtraction and simplify is possible

7/9-1/9 

 6/9 OR 2/3

200

Addition and Simplify if possible

4/8+1/8

 5/8

300

subtraction and simplify if possible

4 5/9 - 2 3/9

 2 2/9

400

Addition and simplify if possible

3 2/7 + 4/7

 3 6/7

500

Addition and simplify if possible

5 5/7 + 1 6/7

 7 4/7

Adding and Subtracting Unlike Fractions

100

subtraction and simplify if possible

3/4 - 1/5

 11/20

200

Addition and simplify is possible

3/5 + 1/2

 11/10 OR 1 1/10

300

subtraction and simplify if possible

3 5/6 - 3/4

 3 2/24   OR    3 1/12

400

subtraction and simplify is possible

11 2/4 - 5 5/7

 5 22/28  OR  5 11/14

500

Addition Simplify if possible

3 5/6 + 2 1/3

 5 7/6   OR  6 1/6

Worded Problems

100

Sally used 6/20m of cloth to make a dress for her doll and 8/20 m to make a dress for her sister's doll. How much cloth did Sally used to make the two dresses

6/20 + 8/20 = 14/20 = 7/10

200

Michael's dog is 4 7/8m tall. Kris's dog is 1 5/8m tall. How much taller is Michael's dog

4 7/8 - 1 5/8=

Whole Numbers:

4-1=3

Fractions:

7/8 -5/8 = 2/8 = 1/4

Answer: 3 1/4

300

Jane and David shared an apple. Jane ate 2/5 of the apple and David ate 3/10 of the apple. What fraction of the apple was left?

 2/5 + 3/10=

4/10 + 3/10= 7/10

10/10 - 7/10 = 3/10

Answer: 3/10

400

Mother has 2 1/4kg of flour. She wants to make roti that calls for 4 1/2kg of flour. How much more flour does she need?

4 1/2 - 2 1/4 =

Whole numbers:

4-2= 2

Fractions: 

1/2 - 1/4 =

2/4 - 1/4= 1/4 

Answer:

2 1/4

500

A bucket has 4 3/4l of water in it. Today, 2 1/2l of the water is used. Then, the bucket is filled with another 6 3/4l of water. What is the amount of water in the bucket now?

4 3/4 - 2 1/2=

Whole numbers:

4-2 = 2

Fractions:

3/4 - 1/2= 

3/4 - 2/4= 1/4

= 2 1/4 

2 1/4 + 6 3/4=

Whole numbers:

2+ 6= 8

Fractions:

1/4 + 3/4 = 4/4 = 1

8+1 = 9

Answer: 9

Whole Numbers, Mixed Numbers, and Improper Fractions

100

Express 2 1/4 as an Improper Fraction

9/4

200

Express 8/8 as a Whole Number 

1

300

Express 9 2/3 as an Improper Fraction

29/3

400

Express 9/2 as a mixed number

4 1/2

500

Express 5 as a Mixed Number (denominator: 6)

4 6/6