Jika 2 19/20 dikurangi 23 per 4 = p nilai p dari p ditambah 2 per 3 adalah

2 19/20 – 23/4

= 59/20 – 23/4

= 59/20 – 115/20

= -56/20

nilai p = -56/20

p + 2/3

= -56/20 + 2/3

= -168/60 + 40/60

= -128/60

= -2 8/60

= -2 2/15