Subtract 9/4 from 36/81
1st number: 36/81, 2nd number: 2 1/4
36/81 - 9/4 is -65/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
36/81 = 36 × 4/81 × 4 = 144/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
9/4 = 9 × 81/4 × 81 = 729/324 - Subtract the two like fractions:
144/324 - 729/324 = 144 - 729/324 = -585/324 - After reducing the fraction, the answer is -65/36
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