abcd Fractions - Lowest Common Denominator
Fractions - Lowest Common Denominator


Practice

Find the lowest common denominator for the fractions given below.
a)    
1
2
 and
2
4

    LCD = 4

b)    
1
2
 and
1
9

    LCD = 18

c)    
4
7
 and
5
10

    LCD = 70

d)    
6
7
 and
7
11

    LCD = 77

e)    
1
2
 and
2
7

    LCD = 14

f)    
1
3
 and
2
7

    LCD = 21