1) 3/8 + 5/24 = 9/24 + 5/24 = 14/24 = 7/122) 3/5 - 1/7 = 21/35 - 5/35 = 16/353) 9/17 - 19/68 = 272/476 - 119/476 = 153/4764) 4/15 - 11/60 = 16/60 - 11/60 = 5/60 = 1/12
1) 3/8 + 5/24 = 9/24 + 5/24 = 14/24 = 7/12
2) 3/5 - 1/7 = 21/35 - 5/35 = 16/35
3) 9/17 - 19/68 = 272/476 - 119/476 = 153/476
4) 4/15 - 11/60 = 16/60 - 11/60 = 5/60 = 1/12