Subtract 6/8 from 5/20
5/20 - 6/8 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
5/20 = 5 × 2/20 × 2 = 10/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Subtract the two like fractions:
10/40 - 30/40 = 10 - 30/40 = -20/40 - After reducing the fraction, the answer is -1/2
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