Question

simplify the following 7/9-32/40​

Answer 1

Answer:

-1/45

Step-by-step explanation:

Take lcm of 9, 40 is 360(9*40)

7/9*(40/40) = (7*40)/(9*40) = 280/360

(32/40)*(9/9) = (32*9)/(40*9) = 288/360

(280/360) - (288/360)

-8/360

-1/45