4/5-2/3×1/5+1/3 dgan cara ya

4/5 – ⅔ x 1/5 + ⅓
= 4/5 – 2/15 + ⅓
= 12/15 – 2/15 + 5/15
= 15/15
= 1

4/5 – 2/3 × 1/5 + 1/3
= 4/5 – 2/15 + 1/3
= 12/15 – 2/15 + 5/15
= (12 – 2 + 5) /15
= 15/15
= 1

semoga bermanfaat .. :)