8
7/8 multiplied by 8 equals 7.
8/7 x 2/7 is 16/49
7 over 40
8/3 x 2/7 is 16/21
21 over 72, or 7 over 24 (simplified)
63/16
2.625 is, regardless of where your parentheses were.
Five multiplied by 3/8 is 1 7/8
21/32, which is already in lowest terms
18/7 x 8/15 = 144/105 = 48/35 or 1 and 13/35
7/14 multiplied by 8 is four.