（1.45×1/8×360÷29/4）÷ [35×（1/7+1/5）÷4/5 ]
=【（1.45×4/29）×（1/8×360）】÷ [（35×1/7+35×1/5）÷4/5 ]
=（0.2×45）÷ [（5+7）÷4/5 ]
=9÷[12÷4/5]
=9÷15
=3/5