Did you mean 'three and seven eighths' or 'three-eighths' & 'seven-eighths'?
Here goes: 3 7/8 = 3.875
Since 100% = 1, multiply by 100%: 3.875 * 100% = 387.5%
the others: 3/8 = 0.375 = 37.5% & 7/8 = 0.875 = 87.5%
7 8ths = 7/8 = 0.875
87.5%
87.5%
7/8 = 0.875 = 87.5%
7/8 = 0.875 = 87.5%
7/16
27/8 = 2.875 = 287.5%
7/8 * 3/7 = 3/8
2 3 8ths +5 7 8ths
3/7 is greater.
87.5%7/8:= 7 ÷ 8= 0.875 in decimal= 0.875 * 100%= 87.5%
42/8, or 5 and 1 fourth