Subtract 20/3 from 3/18
1st number: 3/18, 2nd number: 6 2/3
3/18 - 20/3 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
20/3 = 20 × 6/3 × 6 = 120/18 - Subtract the two like fractions:
3/18 - 120/18 = 3 - 120/18 = -117/18 - After reducing the fraction, the answer is -13/2
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