Short answer: 3/4
How to solve: To simplify fractions, look for a common factor in both the numerator (top number) and denominator (bottom number), then divide both by that factor. In this case, 15 is the greatest common factor. Divide both 45 and 60 by 15, and you get 3/4.
By writing the 45 minutes as a fraction of an hour. One hour is 60 minutes, so write the 45 over 60 and simplify.
No.
12/45 = 4/15
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45/36 = 5/4
45/75 = 3/5
45/113 is already in its simplest form
45/64 is already in its simplest form
No, you can't, believe
yes: 15 over 37
No, 11/60 is in its simplest form.
Yes and it is: 60/140 = 3/7