Question 99629
7/30 - 29/75 
The least common denominator of 30 and 75 is 150
Rewrite each fraction with 150 as the denominator of each fraction:
= 7*5/150 - 29*2/150
Since the two denominators are now the same subtract to get:
= (35-58)/150
= -3/150
= -1/50
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Cheers,
Stan H.