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When either adding or subtracting fractions from one another, the denominators have to be the same. Find the lowest common multiple;3*4 = 12then because you multiplied 3 and 4, you also have to multiply t...

60x+ 20y - 4x -10y
Step 1 ) collate the X's together = 60x -4x = 60-4= 56 add the x = 56x Step 2) collate the Y's together = +20y - 10y = +20 -10 = +10 add the y = +10yStep 3) add answers to step 1 ...

8/50 = 16/10016%

12 items of fruit. 4/12 are apples - can 4/12 be simplified? Yes both can be divided by 4 and so the fraction becomes = 1/3 for the probability of taking an apple.
The probability of NOT taking an ap...

Factorising gives: y = (x+2)(x+1) = 0. y only equals 0 when (x+2)=0 or (x+1)=0. Therefore x=-2 or x=-1