abcd Fractions - Lowest Common Denominator
Fractions - Lowest Common Denominator


Practice

Find the lowest common denominator for the fractions given below.
a)    
7
8
 and
3
9

    LCD = 72

b)    
4
6
 and
5
7

    LCD = 42

c)    
1
3
 and
5
11

    LCD = 33

d)    
1
6
 and
6
10

    LCD = 30

e)    
1
2
 and
6
9

    LCD = 18

f)    
1
2
 and
7
9

    LCD = 18