Subtract 40/84 from 25/27
25/27 - 40/84 is 85/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
25/27 = 25 × 28/27 × 28 = 700/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
40/84 = 40 × 9/84 × 9 = 360/756 - Subtract the two like fractions:
700/756 - 360/756 = 700 - 360/756 = 340/756 - After reducing the fraction, the answer is 85/189
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