It is: 12
30
The LCD for 4/7 and 3/5 is 35.
The LCD for 1/5 and 4/15 is 15.
Of the fractions 3/10, 1/4, and 2/5, the largest is 2/5.By dividing, you can see that the decimal values are 0.3, 0.25, and 0.4.Also, using the LCD of 20, they are equal to 6/20, 5/20, and 8/20.
LCD(3, 5, 4, 2) = 60
Lcd of 5,4,2 is 20 because 5*4=20 and 2*10=20
20
45
It is: 12
30
The LCD of 5/4 and 5/6 is 12.
The LCD of 3/4 and 4/5 is 20.
LCD is 10 so: 9/10-5/10 = 4/10 = 2/5 in its lowest terms
The LCD for 5/9 and 4/5 is 45.
18
10