Subtract 45/12 from 84/27
1st number: 3 3/27, 2nd number: 3 9/12
84/27 - 45/12 is -23/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
84/27 = 84 × 4/27 × 4 = 336/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
45/12 = 45 × 9/12 × 9 = 405/108 - Subtract the two like fractions:
336/108 - 405/108 = 336 - 405/108 = -69/108 - After reducing the fraction, the answer is -23/36
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