19
5/6 - 2/7 Subtraction of fractions. . #1 bring to a common denominator and equivalent numerators. Hence [5(7) - 2(6)] / (6)(7) [ 35 - 12 ] /42 23/42 The simplest answer.
5/6 - 2/7 = 35/42 - 12/42 = 23/42 = 0.54762
The answer is 35.
365
35/42 - 12/42 = 23/42
42
18.
23
It is: 2n^2 -5n -42 equals (2n+7)(n-6) when factored
93
299 = -23 * -13
27 times 3 minus 46 plus 23 equals 58.