By the property of addendo, if x/y = z/w = k, then (x+z)/(y+w) = (yk + wk)/(y + w) = k(y+w)/(y+w) = k = x/y.
एडेंडो के गुण के अनुसार, यदि x/y = z/w = k है, तो (x+z)/(y+w) = (yk + wk)/(y + w) = k(y+w)/(y+w) = k = x/y।