Answer:1. / ÷ /Keep 3/5Change ÷ to ×Flip 2/3 to 3/2➡️ 3/5 × 3/2 = 9/10✅ Sagót: 9/10---2. / ÷ /Keep 4/7Change ÷ to ×Flip 1/4 to 4/1➡️ 4/7 × 4/1 = 16/7(Maaaring isulat bilang 2 2/7 kung gagawing mixed number)✅ Sagót: 16/7 o 2 2/7---3. / ÷ /Una, i-reduce ang 3/9 → 1/3Now: 1/3 ÷ 2/3Keep 1/3Flip 2/3 to 3/2➡️ 1/3 × 3/2 = 3/6 → Simplify to 1/2✅ Sagót: 1/2---4. / ÷ /Parehong numerator at denominator, so:➡️ 4/5 ÷ 4/5 = 1✅ Sagót: 1---5. / ÷ /Same din tulad ng #4:➡️ 2/7 ÷ 2/7 = 1✅ Sagót: 1