1. The lowest common multiple between 15 and 12 is 60. So, the new denominator of the fraction become 60. 2. Because 15*4= 60 ; 12*5 =60 For sustaining the balance, we should multiply 24 (the first molecule) to 4 times and multiply 12 (the second molecule) to 5 times. Like, 24*4 and 32*5 3.New denominator :60 New molecules : 24*4 + 32*5 = 256 Thus, 256/60 4.Ruduce of a fraction : 256/60 = 64/15
