РЕШИТЕ ДРОБЬ 1 5/11 - 2 2/23 • (1 3/5 - 2 3/4 ) спасибо!

Question

РЕШИТЕ ДРОБЬ

1 5/11 - 2 2/23 • (1 3/5 - 2 3/4 )

спасибо!

Answer 1

1 1/5-2 2/23 * (1 1/5-2 3/4) =6 14/55

1) 1 1/5 -2 3/4 = 8/5-11/4 = (32-55)/20 = - 23/20
2)2 2/23* ( - 23/20) = 48/23*(-23/20) =  - (48*23) /(23*20) = -24/5
3) 1 1/5- ( -24/5) = 16/11+24/5 = (80+24)/ 55 = 344/55 = 6 14/55