yyyoungson
yyyoungson
30-01-2018
Mathematics
contestada
How do you do y- 2/5 =4/9
Respuesta :
Kaikerscupcake
Kaikerscupcake
30-01-2018
Make equal denominators.
9*5=45
2/5=
5*9=45
2*9=18
4/9=
9*5=45
4*5=20
y-18/45=20/45
Add 18/45 to both sides.
y= 38/45 <- the simplest form
I hope this helps!
~kaikers
Answer Link
s1m1
s1m1
30-01-2018
You isolate the unknown in this case y in one side of the equal sign and work the numbers.
y= 4/9+2/5=5•4+2•9/5•9= 20+18/45=38/45
Answer Link
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