77/84
=21/84+21/84+21/84+14/84
=1/4+1/4+1/4+7/42
=3/4+7/42
=3/4+1/6
=9/12+2/12
=11/12
Or......
77÷7=11,
and 84÷7=12
Therefore 77/84=11/12.
Exactly the same as you would do to simplify any other fraction . . . divide top and bottom by their greatest common factor.
The greatest common factor of 77 and 84 is 7 .
To simplify 84 77 , find the greatest common divisor (GCD), which is 7. Divide both numerator and denominator by 7 to get the simplified fraction 12 11 . This is the simplest form as 11 and 12 have no common factors other than 1.
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