1. Sederhanakanlah penjumlahan berikut!

[1] Sederhanakanlah penjumlahan berikut!
A). x/2 + y/2
= 2x/4 + 2y/4
B). 4x/5y + 2x/4y
= 16xy/20y² + 10xy/20y²
= 26xy/20y²
C). a/3 + a-2/4
= 4a/12 + 3a-6/12
D). x+1/6x + x-2/3x
= 3x²+3x/18x² + 6x²-12x/18x²
= 9x²-9x/18x²

[2] Sederhanakanlah pengurangan berikut!
A). 5/4a – 3/8b
= 40b/32ab – 12a/32ab
B). x-x/y
= x²/xy
C). 4xy/y² – 3x/y
= 4xy³/y³ – 3xy²/y³
D). 5x/6 – x-2/8
= 40x/48 – 6x-12/48

*maaf jika salah, semoga membantu ^_^