2007-03-05 05:20:01 · 5 answers · asked by Threat 1 in Education & Reference ➔ Homework Help
3z/5 - 6z/15 is also equal to 9z/15 - 6z/15 (finding a common deominator) which equals 3z/15 which can be reduced to z/5
so the answer is z/5
2007-03-05 05:27:14 · answer #1 · answered by xmaverick_onex 2 · 0⤊ 0⤋
2
2007-03-05 05:28:28 · answer #2 · answered by devil5557 3 · 0⤊ 1⤋
Multiply the top & bottom of the first fraction by 3, so the denominator ends up as 15. So you get ....
9z/15 - 6z/15
Do the subtraction: 3z/15
Simpify the fraction - divide top & bottom by 3: z/5
The answer is z/5
2007-03-05 05:32:32 · answer #3 · answered by Navigator 7 · 0⤊ 0⤋
3z/5-6z/15=(9z-6z)/15
=3z/15
=z/5
2007-03-05 05:29:54 · answer #4 · answered by Rituraj K 1 · 0⤊ 0⤋
-z
2007-03-05 05:29:43 · answer #5 · answered by MaggieMaeBrowne 2 · 0⤊ 1⤋