Question

add simplify if possible
5/9z^3 +1/15x^2

Answer 1

is the problem as followed \[\frac{5}{9z^{3}}+\frac{1}{15x^{3}}\]

Answer 2

(25z3 +3x2)/45

Answer 3

no the last part of that is 15x2 not 3

Answer 4

oops sorry, x^2

Answer 5

its ok

Answer 6

x and z are in denominators ?

Answer 7

\[\frac{25x^{2}+3z^{3}}{45z^{3}x^{2}}\]

Answer 8

you first cross multiply the two fractions in order to get a common denominator then add the two fractions together and then pull out a factor of 3.

Answer 9

so my answer then would be 625x+27/45

Answer 10

your answer is without z ???

Answer 11

No, let me type it all out for you. \[\frac{5}{9z^{3}} +\frac{1}{15x^{2}}\]
cross multiplying the fractions you get \[\frac{5(15x^{2})}{9z^{3}15x^{2}} +\frac{9z^{3}}{15x^{2}9z^{3}}\] which can be simplied to \[\frac{75x^{2}+9z^{3}}{135x^{2}z^{3}}\] which can then be simplifed to \[\frac{25x^{2}+3z^{3}}{45x^{2}z^{3}}\]