Subtract 1/81 from 4/32, Solve 4/32

Subtract 1/81 from 4/32

4/32 - 1/81 is 73/648.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 81 is 2592

Next, find the equivalent fraction of both fractional numbers with denominator 2592
For the 1st fraction, since 32 × 81 = 2592,
4/32 = 4 × 81/32 × 81 = 324/2592
Likewise, for the 2nd fraction, since 81 × 32 = 2592,
1/81 = 1 × 32/81 × 32 = 32/2592
Subtract the two like fractions:
324/2592 - 32/2592 = 324 - 32/2592 = 292/2592
After reducing the fraction, the answer is 73/648

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