Subtract 9/27 from 4/84
4/84 - 9/27 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
4/84 = 4 × 9/84 × 9 = 36/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
9/27 = 9 × 28/27 × 28 = 252/756 - Subtract the two like fractions:
36/756 - 252/756 = 36 - 252/756 = -216/756 - After reducing the fraction, the answer is -2/7
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