Subtract 8/84 from 3/54
3/54 - 8/84 is -5/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
3/54 = 3 × 14/54 × 14 = 42/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
8/84 = 8 × 9/84 × 9 = 72/756 - Subtract the two like fractions:
42/756 - 72/756 = 42 - 72/756 = -30/756 - After reducing the fraction, the answer is -5/126
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