Subtract 27/6 from 90/84
1st number: 1 6/84, 2nd number: 4 3/6
90/84 - 27/6 is -24/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
27/6 = 27 × 14/6 × 14 = 378/84 - Subtract the two like fractions:
90/84 - 378/84 = 90 - 378/84 = -288/84 - After reducing the fraction, the answer is -24/7
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