Subtract 10/81 from 20/32
20/32 - 10/81 is 325/648.
Steps for subtracting fractions
- 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,
20/32 = 20 × 81/32 × 81 = 1620/2592 - Likewise, for the 2nd fraction, since 81 × 32 = 2592,
10/81 = 10 × 32/81 × 32 = 320/2592 - Subtract the two like fractions:
1620/2592 - 320/2592 = 1620 - 320/2592 = 1300/2592 - After reducing the fraction, the answer is 325/648
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