1/? + 1/9= ?+?/45; 1/? +1/8=?+?/24; 1/?+ 1/7=?+?/42

Question

1/? + 1/9= ?+?/45; 1/? +1/8=?+?/24; 1/?+ 1/7=?+?/42

Answer 1

1/5 + 1/9= 9+5/45;


1/3 +1/8=8+3/24;


1/6+ 1/7=7+6/42