64per25 dibagi 2 2per5. 5 3per5:1 2per20:5per8. Plis ya allahbantu aku semoga yg bantu aku banyak rejeki nya diberikan umur panjang kesehatan selalu

(64/25) / (2 2/5)
= (64/25) / (12/5)
= (64/25) * (5/12)
= 768/5
= 153 3/5

(5 3/5) / (1 2/20) / (5/8)
= {(5 3/5) / (1 2/20)} / (5/8)
= {(28/5 * 20/2)} / (5/8
= 56 / (5/8)
= 56 * 8/5
= 448/5
= 89 3/5