Can anyone solve this problem. If it is possible could you show how you got the answer but u don't need to if you don't wan too.
The problem is:
17/21 divided by -13/21
by the way the little dash in front of the 13 is a negative. Thanks!!
2007-10-05 11:23:25 · 4 answers · asked by helloooo 3 in Science & Mathematics ➔ Mathematics
when you divide by fractions it is the same as multiplying by its inverse, in easy english ... "turn it upside down and multiply". Note the signs don't change (like minus doesn't change to plus)
17/21 divided by -(13/21) is the same as
17/21 times - (21/13)
17/21 x -(21/13)
= 17/1 x -(1/13)
= -17/13
= -1 4/14 (that is "negative one and four thirteenths")
2007-10-05 11:26:38 · answer #1 · answered by David F 5 · 0⤊ 0⤋
17/21 divided by -13/21
= 17/21 times -21/13
= -17/13 = - 1 4/13
Nice how the 21 canceled out, don't you agree?
2007-10-05 18:28:48 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
if you put them on top of each other with a bar in between them just like a fraction, the 21s cancel out, so you have 17/-13
which is the same as -17/13
2007-10-05 18:26:04 · answer #3 · answered by superman 4 · 0⤊ 0⤋
answer is -17/13
2007-10-05 18:27:48 · answer #4 · answered by icemoon 2 · 0⤊ 0⤋