(2/7+3/4)*(7.5-13.5)=

Question

(2/7+3/4)*(7.5-13.5)=

Answer 1

(2/7+3/4)*(7,5-13,5)=-6 3/14
1) 2/7+3/4=8/28+21/28=29/28=1 1/28
2) 7,5-13,5=-6
3) 1 1/28*(-6)=29/28*(-6/1)=-87/14=-6 3/14

Answer 2

(8/28+21/28)*(-6)=-29/28*6=-87/14=6 цел 3/14