1 1/2 - 2/9 = 3/2 - 2/9 = 27/18 - 4/18 = 23/18
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9/10 - 2/5 = In order to add or subtract fractions, they must have the same denominator. 9/10 - (2/2)(2/5) = 9/10 - 4/10 = 5/10 = 1/2
the answer is -6
2/3 multiplied by 9/1
2 over 3 plus 5 over 9 equals 11 over 9 or 1 and 2 ninths.
(2/9) * (8/9) = (2*8) / (9*9) = 16/81 and: 2/9*8/9 = 16/81 2/(9*8)/9 = 1/324 2/(9*8/9) = 1/4 it depends on where you put the brackets