Find: 3÷213.
Step 1: Convert the mixed fraction.
First, convert the mixed fraction into a proper fraction. That is,
213=2+13=6+13=73
Step 2: Compute the required value.
3÷213=3÷73
=3×37
=97
Hence, the value of 3÷213 is 97.
Without finding cubes find the value(1\4)3 +(1\3) 3-(7\12)3