What is 54/100 ins simplest form and 72/100, 90/100?

In 54/100, 2 is the only common factor. Dividing 54 and 100 both by 2, we get 27/50. This is the simplest form of 54/100. Note that 54/100=0.54.

In 90/100, 10 is the only common factor. Divide both 90 and 100 by 10. We get 9/10. That's the simplest form.

Do you still want it as a fraction or a decimal?

If you want it as a fraction:

54/100 = 27/50

72/100=36/50=18/25

90/100=45/50

In decimals:

54/100=0.54

72/100=0.72

90/100=0.90