2/9 + 1/3 =
2/9 + 3/9 - Note the equivalence of the fraction 1/3 & 3/9
Add the numerators
5/9 The Answer .
5/9 = 0.555.... ( recurring to infinity as a decimal).
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(2y + 1) + (y^2 + 1) = 2y + 1 + y^2 + 1 = y^2 + 2y + 2
The sum of 3x plus 2 and -4 plus 3 is 3x+1 if the equation is (3x+2)+(-4+3). If they are two separate questions, 3x+2 remains as itself while -4+3=-1.
The sum of 3/8 and 2/5 is 31/40
3x2 + 2x + 3 + x2 + x + 1 = 4x 2+ 3x + 4
5/6