18/29x0.625+5/8x6/29+6.13+14/29
=18/29x5/8+5/8x6/29+6.13+14/29
=(18/29+6/29)x5/8+6.13+14/29
=24/29x5/8+6.13+14/29
=15/29+14/29 +6.13
=1+6.13
=7.13