Subtract 20/30 from 1/6
1/6 - 20/30 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
1/6 = 1 × 5/6 × 5 = 5/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Subtract the two like fractions:
5/30 - 20/30 = 5 - 20/30 = -15/30 - After reducing the fraction, the answer is -1/2
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