Subtract 20/28 from 2/6
2/6 - 20/28 is -8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
2/6 = 2 × 14/6 × 14 = 28/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84 - Subtract the two like fractions:
28/84 - 60/84 = 28 - 60/84 = -32/84 - After reducing the fraction, the answer is -8/21
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