Question 99629
7/30-29/75
FACTORS OF 30=2*3*5
FACTORS OF 75=3*5*5
NOW WE HAVE 2 COMMON FACTORS 3*5=15 & 2 ADDITIONAL UNIQUE FACTORS 2*5=10 WHICH WHEN MULTIPLIED TOGETHER 15*10=150 WHICH IS THE LOWEST COMMON DENOMINATOR.
(7*5-29*2)/150
(35-58)/150
-23/150 ANSWER.