Subtract 45/18 from 54/84
1st number: 54/84, 2nd number: 2 9/18
54/84 - 45/18 is -13/7.
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,
54/84 = 54 × 3/84 × 3 = 162/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
45/18 = 45 × 14/18 × 14 = 630/252 - Subtract the two like fractions:
162/252 - 630/252 = 162 - 630/252 = -468/252 - After reducing the fraction, the answer is -13/7
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