J.R. S. answered 04/05/17
Tutor
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Ph.D. in Biochemistry--University Professor--Chemistry Tutor
Convert 3/4 to eighths so we can add the fractions
3/4 x 2/2 = 6/8
Now 6/* + 1/8 = 7/8
So, 7/8 (seven eighths) have been completed
The whole is 8/8, and 8/8 - 7/8 = 1/8 (or one eighth) is left to do