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Mathorio

Worksheet

Adding Fractions with Different Denominators

Name:

Class:

Date:

Show your work for each problem.

1.
What is the LCD (Least Common Denominator) of and ?
1. a)6
2. b)5
3. c)3
4. d)2
2.
What is as an equivalent fraction with denominator 6?
1. a)
2. b)
3. c)
4. d)
3.
Calculate: . Write your answer as a simplified fraction (e.g., 3/4).
4.
Calculate: . Write your answer as a simplified fraction.
5.
Which is the first step when adding ?
1. a)Simplify both fractions
2. b)Multiply the fractions
3. c)Find a common denominator
4. d)Add the numerators
6.
Add
7.
Calculate: . Write your answer as a simplified fraction.
8.
What is ?
1. a)
2. b)
3. c)
4. d)
9.
Add
10.
Calculate: . Write your answer as a simplified fraction.
11.
Add and simplify if needed
12.
A recipe calls for cup of oil and cup of vinegar. How much liquid is that in total?
1. a) cup
2. b) cup
3. c) cup
4. d) cup
13.
Calculate: . Write as a mixed number (e.g., 1 5/12).
14.
Add and write as a mixed number
15.
Calculate: . Write as a mixed number.
16.
Add and simplify
17.
You walk km to school and then km to the library. How far did you walk in total?
1. a) km
2. b) km
3. c) km
4. d) km
18.
Add and write as a mixed number