SOLUTION: subtract and reduce to lowest terms: A) 8 1/4 - 3 9/28 B) 3 - 1 3/4 How to solves these?

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Question 834800: subtract and reduce to lowest terms:
A) 8 1/4 - 3 9/28
B) 3 - 1 3/4
How to solves these?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Change mixed numbers to "improper fractions."
Find a common denominator.
Subtract.