The LCD or least common multiple of the numbers 5 and 2 is 10.
th less common denominator for 2 5 4 3 is 6
the LCD of 2, 9 and 5 = 90
LCD(3, 5, 4, 2) = 60
LCD(2, 5, 6, 3) = 30
10
Lcd of 5,4,2 is 20 because 5*4=20 and 2*10=20
10
2 Th's only 2 are needed to make 1
3k/40 +k/18 factoring 40=2*2*2*5 18=2*3*3 LCD=2*2*2*5*3*3 LCD=360
70
30
20