Convert each fraction:3/20 = 45/3007/30 = 21/3009/50 = 27/300
Adding them together:45/300 + 21/300 + 27/300 = 93/300
Therefore, 3/20 + 7/30 + 9/50 = 93/300 or simplified, 31/100.
Adding them together:105/60 + 6/60 + 26/60 = 137/60
Therefore, 7/4 + 11/70 + 13/30 = 137/60 or simplified, 137/60.
Convert each fraction:
3/20 = 45/300
7/30 = 21/300
9/50 = 27/300
Adding them together:
45/300 + 21/300 + 27/300 = 93/300
Therefore, 3/20 + 7/30 + 9/50 = 93/300 or simplified, 31/100.
To add:7/4 = 105/60
11/70 = 6/60
13/30 = 26/60
Adding them together:
105/60 + 6/60 + 26/60 = 137/60
Therefore, 7/4 + 11/70 + 13/30 = 137/60 or simplified, 137/60.