Subtract 30/14 from 20/84
1st number: 20/84, 2nd number: 2 2/14
20/84 - 30/14 is -40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
30/14 = 30 × 6/14 × 6 = 180/84 - Subtract the two like fractions:
20/84 - 180/84 = 20 - 180/84 = -160/84 - After reducing the fraction, the answer is -40/21
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