Subtract 9/54 from 2/84
2/84 - 9/54 is -1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
2/84 = 2 × 9/84 × 9 = 18/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
9/54 = 9 × 14/54 × 14 = 126/756 - Subtract the two like fractions:
18/756 - 126/756 = 18 - 126/756 = -108/756 - After reducing the fraction, the answer is -1/7
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