Richard practiced piano each of 3 piano solos for 5/12 hour. how long did he practice in all? show how to figure

3 piano soloseach is 5/12 hr
u can either add : 5/12 + 5/12 + 5/12 = 15/12 = 1 1/4 hrs

or u could multiply : 3 * 5/12 = 15/12 = 1 1/4 hs

either waysame answer