This is college algebra.
2007-05-04 05:48:36 · 6 answers · asked by onelovetequillia 1 in Science & Mathematics ➔ Mathematics
find a common denominator first:
- 9/21 - 28/21 = -37/21
2007-05-04 05:53:15 · answer #1 · answered by rae 2 · 0⤊ 0⤋
This is not college level and it is not even algebra.
I did this when I was 12.
-3/7 - 4/3 = -9/21 - 28/21 = -37/21 = - 1 16/21
2007-05-04 05:56:16 · answer #2 · answered by joncummins1968 4 · 0⤊ 0⤋
This is not algebra, it's grade school math.
(-3/7)*(3/3) - (4/3)(7/7)
-9/21 - 28/21
-37/21
2007-05-04 05:54:58 · answer #3 · answered by T 5 · 1⤊ 0⤋
-3/7 - 4/3 get LCD
-3*3/7*7-4*7/3*7
-9/21-28/21
-37/21
2007-05-04 05:54:45 · answer #4 · answered by yupchagee 7 · 1⤊ 0⤋
-3/7-4/3=?
-3/7=-9/21
-4/3=-28/21
----------------
-37/21=-1 16/21
2007-05-04 07:11:00 · answer #5 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
-37/21
2007-05-04 05:53:53 · answer #6 · answered by Anonymous · 0⤊ 0⤋