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For a 1500 meter long elevated road, one sixth of the total length was built in the first month, and one fourth of the total length was built in the second month. How many parts are left unfinished?
Remaining: 1-1 / 6-1 / 4 = 7 / 12
89 of 24 + 0.125 =?
89 of 24 + 0.125
=89 / 24 + 1 / 8
=89 / 24 + 3 / 24
=92 out of 24
=23 out of 6
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