7/9+1/9 = 8/9We know that seven cows plus one cow = eight cows, seven dollars plus one dollar = eight dollars,seven stones plus one stone = eight stones, and seven trucks plus one truck = eight trucks.Similarly we may conclude that seven hundred plus one hundred = eight hundred, andseven ninths plus one ninth = eight ninths.
"Four plus seven hundred and eleven" or "Four plus seven one one".
seventeen and seven over twelve
56
seven and seven twelfth
seven eighths
8
Seven and one twelfth
6 and 705 one thousandths
935
9
negative 8