Least Common Denominator
Equivalent Fractions
Add/Subtract Fractions
Reducing Fractions
100
What is the LEAST common denominator for the pair of fractions: 1/3 and 5/6?
LCD = 6
100
What is the missing numerator?
4
100
Find the sum or difference. (Use LCD and write equivalent fractions first.) 1/2 + 1/4
3/4
100
Reduce 2/4
1/2
200
What is the LEAST common denominator for the pair of fractions: 1/4 and 2/3?
LCD = 12
200
What is the missing numerator for both equivalent fraction sets?
The missing numerator is 2 for both sets
200
Find the sum. 1/2 + 3/8
7/8
200
Reduce 8/10
4/5
300
What is the LEAST common denominator for the pair of fractions: 1/3 and 4/9?
LCD = 9
300
Use the LCD to write an equivalent fraction for each fraction: 1/3 and 5/6
2/6 and 5/6
300
Find the difference. 7/10 - 3/5
1/10
300
Reduce 6/9
2/3
400
What is the LEAST common denominator for the pair of fractions: 5/6 and 2/5?
LCD = 30
400
Use the LCD to write an equivalent fraction for each fraction: 5/6 and 2/5
25/30 and 12/30
400
Find the sum or difference. (Use LCD and write equivalent fractions first.) 2/3 - 1/5
7/15
400
Reduce 5/30
1/6
500
What is the LEAST common denominator for the pair of fractions: 7/15 and 4/9?
LCD = 45
500
Convert this improper fraction to a mixed number
3 3/8
500
Find the sum or difference. Don't forget to reduce the answer to it's lowest term. 10/18 - 2/9
6/18 or 1/3
500
Reduce 9/21
3/7