解:13/24通分等于( 65/120 ),17/30通分等于( 68/120 )
∵已知需把13/24和17/30通分
∴13/24
= (13×5)/(24×5)
= 65/120
17/30
= (17×4)/(30×4)
= 68/120
答:13/24通分等于65/120,17/30通分等于68/120
13/24和17/30通分
13/24=(13x5)/(24x5)=65/120
17/30=(17x4)/(30x4)=68/1210