3/7 * 7/3
multiply through
= 21/21
which, of course
= 1
---------------- you could have just eliminated the factors in a crosswise fashion
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Expressed as a mixed number in its simplest form, 3/7 + 6/7 = 1 2/7 or one and two sevenths.
3/7 is greater.
3/7 = 6/14
Expressed as a mixed number in its simplest form, 4 2/3 - 6/7 = 3 17/21 or three and seventeen twenty-firsts. Expressed as a decimal, this is equal to 3.809523 recurring (that is, 3.809523809523...)
3 6/7 means that there is 7 3 times and 6 7ths of a seven. So you multiply 7*3 which would equal 21 and add 6 to that which equals 27. Then you would put that number over 7 to make 27/7.