Subtract 42/6 from 30/84
1st number: 30/84, 2nd number: 7 0/6
30/84 - 42/6 is -93/14.
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,
30/84 = 30 × 1/84 × 1 = 30/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
42/6 = 42 × 14/6 × 14 = 588/84 - Subtract the two like fractions:
30/84 - 588/84 = 30 - 588/84 = -558/84 - After reducing the fraction, the answer is -93/14
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