Subtract 84/81 from 40/36
1st number: 1 4/36, 2nd number: 1 3/81
40/36 - 84/81 is 2/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
40/36 = 40 × 9/36 × 9 = 360/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
84/81 = 84 × 4/81 × 4 = 336/324 - Subtract the two like fractions:
360/324 - 336/324 = 360 - 336/324 = 24/324 - After reducing the fraction, the answer is 2/27
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