Subtract 54/18 from 45/84
1st number: 45/84, 2nd number: 3 0/18
45/84 - 54/18 is -69/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
54/18 = 54 × 14/18 × 14 = 756/252 - Subtract the two like fractions:
135/252 - 756/252 = 135 - 756/252 = -621/252 - After reducing the fraction, the answer is -69/28
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