Subtract 12/20 from 2/10
2/10 - 12/20 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
2/10 = 2 × 2/10 × 2 = 4/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
12/20 = 12 × 1/20 × 1 = 12/20 - Subtract the two like fractions:
4/20 - 12/20 = 4 - 12/20 = -8/20 - After reducing the fraction, the answer is -2/5
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