(20-19 3/4)+(17 3/4-17)+(4/22-17/24)

Question

(20-19 3/4)+(17 3/4-17)+(4/22-17/24)

Answer 1

1) 20-19 3/4=20-19,75=0,25;
2) 17 3/4-17=17,75-17=0,75;
3) 4/22-17/24=(4*24-17*22)/(22*24)=-278/528;
4) 0,25+0,75-278/528=1-278/528=(528-278)/528=250/528=125/264.

Ответ: 125/264.