Subtract 80/84 from 27/30
27/30 - 80/84 is -11/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
27/30 = 27 × 14/30 × 14 = 378/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
80/84 = 80 × 5/84 × 5 = 400/420 - Subtract the two like fractions:
378/420 - 400/420 = 378 - 400/420 = -22/420 - After reducing the fraction, the answer is -11/210
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