ekchara1981 ekchara1981 01-06-2024 Mathematics Answered 1.Calculate the following using suitable arrangement - 4/5 * 3/7 + 8/5 * (- 4)/3 - 4/9 * 2/5 2.Calculate the following using suitable arrangement 2/3 * 5/7 - 8/5 * 2/3 - 7/9 * 2/5