Using the distributive property it would be -24u12y18
The smallest common denominator is 30 in so
<span>9/10=27/30 and 5/6=25/30 are your answers ; ]</span>
Have you done it cause I also need help???
Here's the method on the first one (36)
The ratio is

, hence if we call

the number below

, we will have

hence

I_72__I_36_I_24_I_12_I
<span>I_126_I_
63_I_42_I_21_I
</span>