2 2/3 – 1 1/5 = dua, dua per-tiga dikurang satu, satu per-lima =

Jawaban:

2 2/3 – 1 1/5

= 8/3 – 6/5

= (8/3 × 5/5) – (6/5 × 3/3)

= 40/15 – 18/15

= 22/15

= 1 7/15