1,25 ÷ 1 1/5 + 2/5 × 25%.

1,25 ÷ 6/5 + 2/5 × 25%
= 125/100 ÷ 6/5 + 2/5 × 25/100
= 125/100 × 5/6 + 50/500
= 625 / 600 + 50/500
= 625(5)/30000 + 50(6)/30000
= 3125+300/30000
= 3425/30000
= 137/1200

Maaf kalau salah