Subtract 8/5 from 9/81
1st number: 9/81, 2nd number: 1 3/5
9/81 - 8/5 is -67/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
9/81 = 9 × 5/81 × 5 = 45/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
8/5 = 8 × 81/5 × 81 = 648/405 - Subtract the two like fractions:
45/405 - 648/405 = 45 - 648/405 = -603/405 - After reducing the fraction, the answer is -67/45
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