It is 2 7/12.
Do you mean: 1/4+x-1/3 = 2/3+3+1/4 If so then: x = 4
The answer is 2/3 plus 1/4 = 11/12
2/3 + 1/5 = 10/15 + 3/15 = 13/15
3/12 + 2/12 + 4/12 = 9/12 = 3/4
1+1/2+1/3+1/4+1/5+1/6+1/7
1/6 plus 1/5 plus 1/4 plus 1/3 plus 1/2 = 1 9/20 or 1.45
2 wholes
2 and 1 fourth
2 fourths or one half
3
1/2 or 0.5