Subtract 84/12 from 45/27
1st number: 1 18/27, 2nd number: 7 0/12
45/27 - 84/12 is -16/3.
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,
45/27 = 45 × 4/27 × 4 = 180/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
84/12 = 84 × 9/12 × 9 = 756/108 - Subtract the two like fractions:
180/108 - 756/108 = 180 - 756/108 = -576/108 - After reducing the fraction, the answer is -16/3
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