What is the least common denominator ( LCD ) of −1 5/6 and −1 7/9 ?

Question

asked Nov 7, 2019 16.6k views

2 Answers

Jorge Santos Neill · Answer 1 · 2019-11-13T02:16:54+0000

Answer:

18

Explanation:

we start to write a few iterations of 6 and 9:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ...

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ...

the LCD is the least repeating number in both sequences. It is 18