126/10 × 518/100 - 26 + 153/5 : 34/10 =

126/10×518/100-26+153/5÷34/10
=63/5×518/100-26+153/5÷34/10
=63/5×259/50-26+153/5÷34/10
=63×259/5×50-26+153/5÷17/5
=16317/250-26+153/5÷17/5
=16317-6500/250+153/5÷17/5
=9817/250+153/5÷17/5
=9817/250+153/5×5/17
=9817/250+9/5×5
=9817/250+9
=9817+250×9/250
=9817+2250/250
=12067/250
=4 67/250 = 48.268