( 2 7/12 +1,75 ) : 13 + 2,5 : 3 3/4 помогитеее пжж

(2 7/12+1 75/100)÷13+2 5/10÷3 3/4=2 7/12+1 3/4=3 16/12=4 1/3÷13= 13/3 × 1/13= 1/3+2 5/10÷3 3/4= 25/10 ×4/15= 10/15 = 1/3+ 2/3=3/3= 1