Answer:
3.
Explanation:
5/9 - 3/8 + (-1/4) + 1 4/9 + 1 5/8
= 5/9 - 3/8 - 1/4 + 13/9 + 13/8
Now we find the LCM of 4, 8 and 9:
4 = 2*2
8 = 2*2*2
9 = 3*3
The LCM = 2 * 2 *2* 3 * 3 = 72 so we have:
40/72 - 27/72 - 18/72 + 104/72 + 117/72
= 216 / 72
= 3.