1) (4/9) (5/8) 7.= (20/72) 7.= 0.2777777777777778 7.= 1.9999999999999998
2) (1 1/2) (2 2/11) + 2 3/4 (2 2/11) - 2 2/11 (3 5/6= (3/2) (24/11) + (11/4) (24/11) - (24/11) (23/6= (72/22) + (264/44) - (552/66= 3.2727272727272725 + 6 - 8.36363636363636= 1.9090909090909092
Therefore, the answers to the given expressions are1) 1.9999999999999992) 1.9090909090909092
1) (4/9) (5/8) 7.
= (20/72) 7.
= 0.2777777777777778 7.
= 1.9999999999999998
2) (1 1/2) (2 2/11) + 2 3/4 (2 2/11) - 2 2/11 (3 5/6
= (3/2) (24/11) + (11/4) (24/11) - (24/11) (23/6
= (72/22) + (264/44) - (552/66
= 3.2727272727272725 + 6 - 8.36363636363636
= 1.9090909090909092
Therefore, the answers to the given expressions are
1) 1.999999999999999
2) 1.9090909090909092