How do I cancel fractions when converting from point-slope form to standard form?

For example, I'm currently tackling converting:
y-0=-4/5 (x - -4)

I end up with: y-0=-4/5x -16/5 but I'm confused on how to cancel the fractions? Thanks for your help!

Question

How do I cancel fractions when converting from point-slope form to standard form?

For example, I'm currently tackling converting:
y-0=-4/5 (x - -4)

I end up with: y-0=-4/5x -16/5  but I'm confused on how to cancel the fractions? Thanks for your help!

homeworksucks · Answer

If you mean converting y=mx+b or y-1=m(x-1) into ax+by+c=0, you need to multiply by a common denominator