12/5 - 5/15 - 9/20 Pake cara yaaa Pliss

[tex] \frac{12}{5} - \frac{5}{15} - \frac{9}{20} = \frac{144 - 20 - 27}{60} = \frac{97}{60} [/tex]

pertama samakan dulu penyebutnya
12/5 - 5/15 - 9/20=144/60-20/60-27/60=97/60
= 1 37/60