2.4x-1.26\1\2-1\3=1.3x-0.5\1\10-1\9
2.4x -1.3x=0.5\10-1\9+1.26\1\2-1\3
1.1x=1\2-1\9+1.26\2-1\3
1.1x= 0.5-1/9+0.63-1/3
1.1x=1.13-(1/9+1/3)
1.1x=1.13-(3/9+1/9)
1.1x=1.13-4/9
1.1x=113/10-4/9 

Дорешаешь?