tolong jawab 2 nomor aja.yang 9 sama 10 PAKE CARA

9. 3⁴/5 +1¼ = 19/5 + 5/4 (samakan penyebut) 19x4/5x4 + 5x5/4x5 = 76/20 + 25/20 =76+25/20 = 101/20 = 5¹/20 (c)
10. 1⅔ x 2¼ =5/3 x 9/4 = 45/12 = 3 9/12 = 3¾ (d)