3/16+3/8等于几分之几?

解:3/16+3/8等于( 9/16 )

∵已知需求出3/16+3/8等于几

X + Y = Z

∴3/16 + 3/8

= 3/16 + (3×2)/(8×2)

= 3/16 + 6/16

= (3+6)/16

= 9/16

答:3/16+3/8等于9/16