In percents, 75 and 66.667% respectively. In decimal, 0.75 and 0.6667 respectively.
6/4 or 3/23/4 + 3/4 = 6/4 or 3/2
3 over 4
2/3 + 4/6 => 4/6 + 4/6 => 8/6 => 1,33333333
3 over 4 isn't equal to 6.
2/3 + 4/6 = 4/3 or 11/3
2/3 + 4/6 = 4/3 or 11/3
2/3=4/6 4/6 > 1/6
3/4 + 3/4 = 6/4 or 1.5
6 over 8 and 3 over 4 are equivalent. If you take 6/8 and divide both sides by 2 then you get 3/4.
3/4
3/8 * 4/6 = (3*4)/(8*6) = 12/48 = 1/4
3/4 = 0.75 5/6 = 0.83333333...