Subtract 4/32 from 1/81
1/81 - 4/32 is -73/648.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 32 is 2592
Next, find the equivalent fraction of both fractional numbers with denominator 2592 - For the 1st fraction, since 81 × 32 = 2592,
1/81 = 1 × 32/81 × 32 = 32/2592 - Likewise, for the 2nd fraction, since 32 × 81 = 2592,
4/32 = 4 × 81/32 × 81 = 324/2592 - Subtract the two like fractions:
32/2592 - 324/2592 = 32 - 324/2592 = -292/2592 - After reducing the fraction, the answer is -73/648
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