So you have to add the fractions
54/100 plus 4/10 so the 10 have to become 100 like the denominator of the first fraction . So you have multiply 10 by 10 = 100 and then you have to multiply 4 by 10 = 40
so is 54/100 + 40/100 just add the 54 and 40 = 94
so the answer is 94/100